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A
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Abscissa
Indexpage - math word definition - Math Open Reference
Coordinates of a point
Acceleration
Acceleration - math word definition
Calculus - Equations of Motion
Accumulation-function
Calculus - Accumulation Functions
Acute
Acute Angle definition
Acute triangle definition
Indexpage - math word definition - Math Open Reference
Acute triangle definition
Adjacent
Adjacent Angles definition
Indexpage - math word definition - Math Open Reference
Adjacent arcs definition
Adjacent sides definition
Algorithm
Circle and ellipse drawing algorithm
Area of a polygon algorithm
Algorithm definition
Alternate-angle
Alternate Exterior Angles definition
Alternate Interior Angles definition
Indexpage - math word definition - Math Open Reference
Alternating
Calculus - Alternating Series Test
Altitude
Trapezoid and its properties. (Coordinate Geometry)
Triangle definition and properties
How to construct (draw) one of the three altitudes of a triangle
Altitude of a triangle
How to construct (draw) one of the three altitudes of a triangle
Area of a triangle (conventional method)
Indexpage - math word definition - Math Open Reference
Analysis
Calculus - Curve Analysis - Global Extrema
Calculus - Curve analysis - special cases
Calculus - Basic curve analysis
Angle
Quadrantal angle - math word definition - Trigonometry
Constructing 75, 105, 120, 135, 150 degree angles and more
Complementary angle using compass and straightedge or ruler
Interior angles of an inscribed quadrilateral
Subtended angle definition
Cosine - math word definition
Coterminal - math word definition
Exterior Angles - math word definition
How to construct (draw) a 45 degree angle with compass and straightedge or ruler
Degrees as a unit of angle measure
Angle measure of an arc
How to construct a 60 degree angle with compass and straightedge or ruler
Central Angle Theorem
How to construct a 90 degree angle with compass and straightedge or ruler
Standard position of an angle definition - Trigonometry
Angle - Math word definition
Terminal side definition - Trigonometry
How to use a protractor to draw an angle
Reference angle
Intersecting Secant Angles Theorem
How to use a protractor to measure angles
Linear Pair - math word definition
Supplementary angle using compass and straightedge or ruler
The tangent function in right triangles - Trigonometry
Angle inscribed in a semicircle
Radian - math word definition
Angle Quiz 1
Interior of an angle definition
The sine function - math word definition
Arc Peripheral Angle
Difference of two angles using compass and straightedge or ruler
Angle bisector definition
How to copy an angle with compass and straightedge or ruler
Acute Angle definition
Interior angles of a parallelogram
Included angle definition
Alternate Exterior Angles definition
Alternate Interior Angles definition
Angle definition and properties (Trigonometry)
Straight Angle definition
Corresponding Angles definition
Inscribed angle of a circle
Adjacent Angles definition
Reflex Angle definition
Central angle of a circle
Obtuse Angle definition
Triangle exterior angle theorem
Right Angle - math word definition
Relationship of side lengths and angles of a triangle
Triangle exterior angles definition
Congruent Angles
How to add two angles with compass and straightedge or ruler
Complementary Angles definition
Supplementary Angles definition
Vertical Angles definition
Angle calculator for angles expressed in Degrees, Minutes, Seconds
How to construct a 30 degree angle with compass and straightedge or ruler
Angle calculator for angles as used in the Nautical Almanac
Interior / exterior angles of a polygon
Initial side - math word definition - Trigonometry
Exterior Angles of a Transversal definition
Interior Angles of a transversal definition
Full Angle - An angle with a measure of 360 deg
Annulus
Area of an annulus
Annulus - Math word definition
Antiderivative
Calculus - Basic Antiderivatives
Calculus - Functions defined using integrals
Calculus - Antiderivatives from Slope
Apothem
Apothem of a polygon
Arc
Sagitta definition, the height, width, radius of an arc
Parts of a circle - Pictorial index
Calculus - Arc Length
Major and Minor Arcs
Arc Length definition
Adjacent arcs definition
Derivation of the arc radius formula
Arc Peripheral Angle
Finding the center of a circle or arc with compass and straightedge or ruler
Intercepted arc
The inverse trigonometry functions
Angle measure of an arc
Arc - Math word definition
Radius of an Arc or Arch - Math Open Reference
Arc-length
Arc Length definition
Calculus - Arc Length
Arccos
The trigonometry arccos() function - inverse cosine - math word definition
Arch
Radius of an Arc or Arch - Math Open Reference
Arcsin
The trigonometry arcsin() function - inverse sine - math word definition
Arctan
The trigonometry arctan() function - inverse tangent - math word definition
Area
Area of an annulus
Surface area of a cylinder
Regular polygon area formula
Area of an Irregular Polygon
Derivation of the formula for the area of a regular polygon
Relationship of area and perimeter of a triangle
Area of an equilateral triangle
Surface area of a right cone
Derivation of the formula for the area of a circle
Area of a Kite
Area enclosed by a circle
Area of a triangle given three sides - Heron's Formula
Derivation of the formula for the area of a cone
Area of a parallelogram. Definition and formula
Surface area of a prism
Area of a triangle (conventional method)
Area of a triangle (Side-angle-side method)
Area enclosed by an ellipse
Derivation of the formula for the area of a parallelogram
Calculus - Polar Area
Calculus - Areas By Slicing
Area of a polygon calculator
Indexpage - math word definition - Math Open Reference
Area of a rectangle. Definition and formula
Area and perimeter of a rectangle. (Coordinate Geometry)
Area and Perimeter of a Square. (Coordinate Geometry)
Rhombus area formula
Area of a circle segment
Area of a circle segment
Area of a sector of a circle
Area of any polygon (Coordinate Geometry)
Area of a polygon algorithm
Derivation of the surface area of a cylinder
Triangle similarity, ratios of area
Area of an inscribed quadrilateral
Area of a trapezoid. Definition and formula
Surface area of a cube
Derivation of the formula for the area of a trapezoid
Trapezoid area and perimeter. (Coordinate Geometry)
Area of a triangle using the box method (Coordinate Geometry)
Area of a triangle (Coordinate Geometry)
Surface area of a sphere
Area of a square. Definition and formula
Surface area of a pyramid
Arithmetic
Negative number definition - math word definition
Positive number definition - math word definition
Average
Calculus -Average velocity and speed
Calculus - Average Value
Axis
Introduction to Coordinate Geometry
Axis, axes - Math word definition
The Coordinate Plane
Relation of a cylinder to a prism
Cylinder definition and properties
Major / minor axis of an ellipse
X-axis definition
Y-axis definition
Semi-major / semi-minor axis of an ellipse
Cylinder as the locus of a line
B
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Base
Altitude of a triangle
Triangle definition and properties
Area of a triangle (conventional method)
Base - Math word definition
Biography
Biography of Thales - math word definition
Euclid - math word definition
Biography of Heron
Biography of Pythagoras - math word definition
Bisector
Angle bisector definition
How to bisect a segment with compass and straightedge or ruler
How to bisect an angle with compass and straightedge or ruler
Line segment bisector definition
Indexpage - math word definition - Math Open Reference
Perpendicular bisector definition
Bounds
Circumscribed rectangle, bounding box. (Coordinate Geometry)
Box
Calculus - Maximizing volume
Area of a triangle using the box method (Coordinate Geometry)
Circumscribed rectangle, bounding box. (Coordinate Geometry)
Brahmagupta
Area of an inscribed quadrilateral
C
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Calculator
Math / scientific calculator similar to those from TI, Casio, HP etc
Math / scientific calculator instructions
Area of a polygon calculator
Graphical Function Explorer grapher (GFE)
Calculus
Calculus - Fundamental Theorem of Calculus
Calculus - Second Fundamental Theorem of Calculus
Cardinal
Cardinal numbers (Whole numbers or natural numbers)
Cardinal numbers (Whole numbers or natural numbers)
Cardinality
Cardinal numbers (Whole numbers or natural numbers)
Center
Finding the center of a circle or arc with compass and straightedge or ruler
Finding the center of a circle with any right-angled object
Center of a Polygon
Indexpage - math word definition - Math Open Reference
Points of concurrency
Central-angle
Indexpage - math word definition - Math Open Reference
Central angle of a circle
Central Angle Theorem
Central Angle of a Polygon
Centroid
Centroid coordinates of a triangle given the vertex coordinates (Coordinate Geometry)
Euler line
How to construct the centroid of a triangle with compass and straightedge or ruler
Triangle centroid definition
Indexpage - math word definition - Math Open Reference
Median of a triangle - math word definition
Triangle Centers Overview
Chain-rule
Calculus - Chain Rule
Chord
Chord - Math word definition
Intersecting Chord Theorem
Parts of a circle - Pictorial index
Circle
Concentric - Math word definition
Derivation of the formula for the circumference of a circle
Intersecting Chord Theorem
Chord - Math word definition
Conic section - circle
Circle - Math word definition
Area enclosed by a circle
Secant of a circle definition
Incircle
Circumcircle
Central angle of a circle
Circumference (perimeter) of a circle definition
Derivation of the formula for the area of a circle
Inscribed angle of a circle
Tangent to a circle definition
How to construct (draw) the two internal tangents to two given circles
Basic Equation of a Circle
Circle and ellipse drawing algorithm
How to construct (draw) the two external tangents to two given circles
How to construct (draw) tangents to a circle through an external point
Area of a circle segment
How to construct a tangent to a circle at a point
Area of a sector of a circle
General form of Equation of a Circle
Radius of a circle - math word definition
Diameter - math word definition
Intersecting Secant Theorem
Segment of a Circle
Parametric Equation of a Circle
Area of a circle segment
Sector definition
Semicircle - math word definition
Thales theorem
Arc - Math word definition
Area of an annulus
Annulus - Math word definition
How to construct a circle through 3 points with compass and straightedge or ruler
Finding the center of a circle or arc with compass and straightedge or ruler
Angle inscribed in a semicircle
Square inscribed in a circle
How to construct a circle through the 3 vertices of a triangle with compass and straightedge or ruler
Finding the center of a circle with any right-angled object
Circumcenter
Triangle Circumcenter definition
Triangle Centers Overview
Indexpage - math word definition - Math Open Reference
Circumcircle of a Triangle
How to construct circumcenter of a triangle with compass and straightedge or ruler
Euler line
Circumcircle
Indexpage - math word definition - Math Open Reference
Circumcircle
Circumcircle of a Regular Polygon
Radius of a Regular Polygon
Circumcircle of a Triangle
How to construct a circle through the 3 vertices of a triangle with compass and straightedge or ruler
How to construct a circle through 3 points with compass and straightedge or ruler
Circumference
Derivation of the formula for the circumference of a circle
Circumference (perimeter) of a circle definition
Perimeter of an Ellipse
Parts of a circle - Pictorial index
Circumradius
Indexpage - math word definition - Math Open Reference
Radius of a Regular Polygon
Circumcircle of a Triangle
Circumscribed
Indexpage - math word definition - Math Open Reference
Circumcircle
Circumcircle of a Regular Polygon
Circumscribed rectangle, bounding box. (Coordinate Geometry)
Circumcircle of a Triangle
How to construct a circle through the 3 vertices of a triangle with compass and straightedge or ruler
How to construct a circle through 3 points with compass and straightedge or ruler
Classification
Indexpage - math word definition - Math Open Reference
Classification of triangles
Classify
Indexpage - math word definition - Math Open Reference
Classification of triangles
Collinear
Collinear - Math word definition
Common-core
Common Core alignment
Comparison
Calculus - Comparison Test
Compass
Constructions Introduction. Drawing shapes with compasses and straightedge
Indexpage - math word definition - Math Open Reference
List of construction worksheets
Indexpage - math word definition - Math Open Reference
Complement
Indexpage - math word definition - Math Open Reference
Complementary
Complementary Angles definition
Complementary angle using compass and straightedge or ruler
Indexpage - math word definition - Math Open Reference
Complex-number
The letter j - math word definition
Indexpage - math word definition - Math Open Reference
Complex numbers - animated definition
Indexpage - math word definition - Math Open Reference
The letter i - math word definition
Indexpage - math word definition - Math Open Reference
Composite-number
Composite number - math word definition
Prime number - math word definition
Indexpage - math word definition - Math Open Reference
Composition
Calculus - Chain Rule
Concave
Concave Polygon Definition
Indexpage - math word definition - Math Open Reference
Concentric
Concentric - Math word definition
Concurrent-lines
Triangle incenter, description and properties
Triangle centroid definition
Triangle Circumcenter definition
Orthocenter of a triangle - math word definition
Points of concurrency
Indexpage - math word definition - Math Open Reference
Cone
Comparison of a cone and pyramid
Oblique versus right cone - Math Open Reference
Cone - Math word definition
Conic section - ellipse
Slant height of a right cone
Derivation of the formula for the area of a cone
Surface area of a right cone
Conic section - circle
Volume of a right cone
Congruent
ASA Congruent Triangles
SSS Congruent Triangles
SSA doesn't work
AAA Doesn't work
Congruent Polygon Tests- Math Open Reference
SAS Congruent Triangles
Indexpage - math word definition - Math Open Reference
Congruent Polygons- Math Open Reference
AAS Congruent Triangles
Congruent Lines Definition
Congruent Angles
Congruent triangles with a common side
Reflected Congruent Triangles
Congruent Triangles
Rotated Congruent Triangles
HL Congruent Triangles
Conic-section
Conic section - circle
Conic section - ellipse
Conical
Indexpage - math word definition - Math Open Reference
Comparison of a cone and pyramid
Cone - Math word definition
Construction
How to construct (draw) one of the three altitudes of a triangle
Constructing a circle through 3 given points
How to construct a 30 degree angle with compass and straightedge or ruler
How to construct (draw) a 45 degree angle with compass and straightedge or ruler
Printable step-by-step instructions for adding two angles with compass and straightedge or ruler
Complementary angle using compass and straightedge or ruler
How to construct (draw) one of the three altitudes of a triangle
How to copy an angle with compass and straightedge or ruler
Printable step-by-step instructions for constructing a segment which is the sum of given segments with compass and straightedge or ruler
Printable instructions for drawing a 30-60-90 triangle with compass and straightedge or ruler
Printable instructions for finding the altitude of an acute triangle with compass and straightedge or ruler
How to construct a 60 degree angle with compass and straightedge or ruler
Constructing 75, 105, 120, 135, 150 degree angles and more
Printable strp-by-step instructions for drawing a triangle given three sides with compass and straightedge or ruler
How to construct circumcenter of a triangle with compass and straightedge or ruler
How to bisect an angle with compass and straightedge or ruler
How to construct a 90 degree angle with compass and straightedge or ruler
Finding the center of a circle or arc with compass and straightedge or ruler
How to construct the centroid of a triangle with compass and straightedge or ruler
How to bisect a segment with compass and straightedge or ruler
How to construct a circle through the 3 vertices of a triangle with compass and straightedge or ruler
Finding the center of a circle with any right-angled object
How to construct the incenter of a triangle with compass and straightedge
Constructions Introduction. Drawing shapes with compasses and straightedge
How to construct (draw) a square
Supplementary angle using compass and straightedge or ruler
How to construct a tangent to a circle at a point
Indexpage - math word definition - Math Open Reference
How to construct (draw) a perpendicular at a point on a line
How to construct a parallel through a point (translated triangle method) with compass and straightedge or ruler
How to construct (draw) a perpendicular at the end of a ray with compass and straightedge or ruler
How to construct (draw) a perpendicular from a line through a point
How to construct (draw) tangents to a circle through an external point
How to construct (draw) the two external tangents to two given circles
How to construct (draw) a right triangle with a given one angle and one leg (LA)
How to construct (draw) a right triangle with two given leg lengths (LL)
How to construct a triangle given two sides and the included angle
How to construct (draw) a triangle given three sides
How to construct (draw) a right triangle with a given leg and hypotenuse (HL)
How to construct (draw) a right triangle with a given one angle and hypotenuse (HA)
How to construct (draw) the two internal tangents to two given circles
How to construct a triangle given two angles and a non-included side
How to construct a triangle given two angles and the included side
How to construct (draw) a parallel through a point with compass and straightedge or ruler (rhombus method)
How to construct a parallel through a point with compass and straightedge or ruler
Finding the foci an ellipse
How to construct (draw) an equilateral triangle with compass and straightedge or ruler
How to construct a regular hexagon given one side with compass and straightedge or ruler
Printable instructions for finding the altitude of an obtuse triangle with compass and straightedge or ruler
How to construct (draw) an ellipse
Dividing a line segment into N equal parts with compass and straightedge or ruler
Copying a triangle with compass and straightedge or ruler
Difference of two angles using compass and straightedge or ruler
Difference of two line segments using compass and straightedge or ruler
How to construct (draw) the incircle of a triangle with compass and straightedge or ruler
How to construct an equilateral triangle inscribed in a given circle with compass and straightedge or ruler
Construct an isosceles triangle with given leg and apex angle with compass and straightedge or ruler
How to construct (draw) the medians of a triangle
How to construct midsegment of a triangle with compass and straightedge or ruler
How to construct (draw) the orthocenter of a triangle- Math Open Reference
How to construct (draw) an isosceles triangle given base and altitude with compass and straightedge or ruler
How to construct an isosceles triangle given base and one side
How to construct a regular hexagon inscribed in a circle with compass and straightedge or ruler
How to construct a square inscribed in a circle with compass and straightedge or ruler
List of construction worksheets
Copying a line segment with compass and straightedge or ruler
Constructing a regular pentagon inscribed in a circle
Printable instructions for constructing a hexagon inscribed in a given circle.
Printable instructions for constructing an equilateral triangle inscribed in a given circle.
Printable instructions for drawing the incircle of a triangle with compass and straightedge or ruler
Printable instructions for finding the incenter of a triangle with compass and straightedge or ruler
Printable instructions for constructing a pentagon inscribed in a given circle.
Printable instructions for constructing a square inscribed in a circle with compass and straightedge or ruler
Printable instructions for constructing a right triangle with given angle and one leg (LA) with compass and straightedge or ruler
Printable step-by-step instructions for drawing an isosceles triangle with compass and straightedge or ruler - II
Printable step-by-step instructions for drawing an isosceles triangle with compass and straightedge or ruler
Printable instructions for constructing a hexagon given one side.
Printable instructions for drawing an equilateral triangle with compass and straightedge or ruler
Printable step-by-step instructions for constructing the difference of two angles with compass and straightedge or ruler
Printable instructions for copying a triangle with compass and straightedge or ruler
Printable instructions for copying a line segment with compass and straightedge or ruler
Printable step-by-step instructions for constructing a segment which is the difference of two given segments with compass and straightedge or ruler
Printable instructions for dividing a line segment into equal parts with compass and straightedge or ruler
Printable instructions for finding the foci of an ellipse with compass and straightedge or ruler
Printable instructions for drawing an ellipse with string and pins
Printable instructions for drawing an angle with a protractor
Printable instructions for constructing an isosceles triangle given a side and apex angle
Printable instructions for constructing a right triangle with given leg and hypotenuse with compass and straightedge or ruler
Printable instructions for constructing the supplementary angle to a given angle with compass and straightedge or ruler
Printable instructions for constructing a square of a given side length with compass and straightedge or ruler
Printable step-by-step instructions for constructing a triangle given two angles and non-included side (AAS) with compass and straightedge or ruler
Printable step-by-step instructions for drawing a triangle given two angles and included side with compass and straightedge or ruler
Sum of line segments using compass and straightedge or ruler
Printable instructions for drawing a tangent at a point on a circle with compass and straightedge or ruler
Printable instructions for constructing one of the two internal tangents to two given circles.
Printable instructions for constructing tangents to two given circles.
Printable instructions for drawing tangents to a circle from a point with compass and straightedge or ruler
Printable instructions for drawing a perpendicular at a point on a line with compass and straightedge or ruler
Printable instructions for drawing a perpendicular to a line through a point with compass and straightedge or ruler
Printable instructions for finding the midsegment of a triangle with compass and straightedge or ruler
Printable instructions for drawing the medians of a triangle with compass and straightedge or ruler
Printable instructions for measuring an angle using a protractor
Printable instructions for constructing a right triangle with given angle and hypotenuse with compass and straightedge or ruler
Printable instructions for finding the orthocenter of a triangle with compass and straightedge or ruler
Printable instructions for drawing a perpendicular at the end of a ray with compass and straightedge or ruler
Printable instructions for drawing parallel through a point (rhombus method)
Printable instructions for drawing parallel through a point with compass and straightedge or ruler
Printable instructions for copying an angle with compass and straightedge or ruler
Printable instructions for drawing parallel through a point with compass and straightedge or ruler
Printable instructions for bisecting an angle with compass and straightedge or ruler
How to construct a 30-60-90 triangle with compass and straightedge or ruler
Printable instructions for bisecting a line with compass and straightedge or ruler
Printable instructions for finding the centroid of a triangle with compass and straightedge or ruler
Printable instructions for finding the center of a circle with any right angled object
Printable instructions for finding the center of a circle with compass and straightedge or ruler
Printable instructions for drawing a 90 degree angle with compass and straightedge or ruler
How to construct a circle through 3 points with compass and straightedge or ruler
How to add two angles with compass and straightedge or ruler
Printable instructions for drawing a 30 degree angle with compass and straightedge or ruler
Printable instructions for drawing a 45 degree angle with compass and straightedge or ruler
Copying a line segment with compass and straightedge or ruler
Printable instructions for constructing a right triangle with given leg lengths with compass and straightedge or ruler
Printable instructions for drawing a triangle given two sides and included angle with compass and straightedge or ruler
Printable instructions for finding the circumcenter of a triangle with compass and straightedge or ruler
Printable instructions for drawing a 60 degree angle with compass and straightedge or ruler
Printable instructions for drawing the circumcircle of a triangle with compass and straightedge or ruler
Printable instructions for constructing the complementary angle to a given angle with compass and straightedge or ruler
Continuity
Calculus - Informal continuity
Calculus - Formal approach to continuity
Continuous
Calculus - making a function continuous and differentiable
Convergence
Calculus - Ratio Test
Convex
Indexpage - math word definition - Math Open Reference
Convex Polygon Definition
Coordinates
Slope (m) of a line (Coordinate Geometry)
The Coordinate Plane
Print blank graph paper
Coordinates of a regular polygon
Teaching Notes: Limitations of the applets in the coordinate geometry section
Line Segment definition (Coordinate Geometry)
Origin - math word definition
Area of any polygon (Coordinate Geometry)
Ray definition (Coordinate Geometry)
Intercept (b) of a line (Coordinate Geometry)
Indexpage - math word definition - Math Open Reference
Distance between points
Equation of a line - slope and intercept form. (Coordinate Geometry)
Equation of a line - point - slope form. (Coordinate Geometry)
Introduction to Coordinate Geometry
Line definition (Coordinate Geometry)
Midpoint Theorem (Coordinate Geometry)
Coordinates of a point
Introduction to Lines in Coordinate Geometry
Coplanar
Introduction to plane geometry
Coplanar - Math word definition
Corresponding
Indexpage - math word definition - Math Open Reference
Corresponding Angles definition
Cos
COS - Math word definition
The trigonometry arccos() function - inverse cosine - math word definition
Trigonometry Overview
Cosine - math word definition
Graph of the Cosine function - Trigonometry
Cosecant
Introduction to the 6 trigonometry functions
Indexpage - math word definition - Math Open Reference
Calculus - trigonometric Functions
Cosine
Solving Triangles
The trigonometry arccos() function - inverse cosine - math word definition
SOHCAHTOA - math word definition - Trigonometry
Graph of the Cosine function - Trigonometry
Calculus - trigonometric Functions
Cosine - math word definition
The Law of Cosines
Proof of the Law of Cosines
Introduction to the 6 trigonometry functions
Cot
COT - Math word definition
Indexpage - math word definition - Math Open Reference
Cotangent
Indexpage - math word definition - Math Open Reference
Introduction to the 6 trigonometry functions
Calculus - trigonometric Functions
Coterminal
Coterminal - math word definition
Counting-number
Cardinal numbers (Whole numbers or natural numbers)
Whole number - math word definition
Counting numbers (Whole numbers or natural numbers)
Indexpage - math word definition - Math Open Reference
Natural number - math word definition
Cpctc
Indexpage - math word definition - Math Open Reference
Csc
Indexpage - math word definition - Math Open Reference
CSC - Math word definition
Cube
Volume of a cube
Cube - math word definition
Surface area of a cube
Cubic
Cubic curve and graph display
Indexpage - math word definition - Math Open Reference
Curve
Calculus - Curve Analysis - Global Extrema
Calculus - Basic curve analysis
Calculus - Curve analysis - special cases
Cyclic
Diagonals of an inscribed quadrilateral
Area of an inscribed quadrilateral
Inscribed (cyclic) quadrilateral
Interior angles of an inscribed quadrilateral
Cylinder
Relation of a cylinder to a prism
Volume of a cylinder
Oblique cylinder
Derivation of the surface area of a cylinder
Cylinder definition and properties
Surface area of a cylinder
Cylinder as the locus of a line
Volume of a cylinder segment
D
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Decagon
Decagon - math word definition
Decay
Calculus - Growth, Decay, and the Logistic Equation
Decimal-notation
Indexpage - math word definition - Math Open Reference
Definite
Calculus - Properties of Definite Integrals
Degree
Indexpage - math word definition - Math Open Reference
Angle calculator for angles expressed in Degrees, Minutes, Seconds
Degrees as a unit of angle measure
Radian - math word definition
Angle definition and properties (Trigonometry)
Denominator
Indexpage - math word definition - Math Open Reference
Derivative
Calculus - Curve analysis - special cases
Calculus - Hyperbolic Functions
Calculus - Invertible Functions
Calculus - Constant multiples of functions
Calculus - Derivative Function
Calculus - Derivative at a Point
Calculus - Parametric Derivatives
Calculus - Exponential Functions
Calculus - Basic curve analysis
Calculus - derivative combinations: sum and difference
Calculus - trigonometric Functions
Calculus - Table view of the Derivative
Calculus - Curve Analysis - Global Extrema
Calculus - Product and Quotient of Functions
Calculus - Polar Derivatives
Calculus - Linear Approximations
Calculus - Related Rates - a melting snowball
Diagonal
Diagonals of a rectangle
Rhombus diagonals bisect each other at right angles
Diagonals of a square
Indexpage - math word definition - Math Open Reference
Polygon diagonals
Square and its properties. (Coordinate Geometry)
Parallelogram and its properties. (Coordinate Geometry)
Rectangle and its properties. (Coordinate Geometry)
Parallelogram diagonals bisect each other
Diagonals
Diagonals of an inscribed quadrilateral
Diameter
Thales theorem
Parts of a circle - Pictorial index
Diameter - math word definition
Semicircle - math word definition
Difference
Calculus - derivative combinations: sum and difference
Differentiability
Calculus - Differentiability
Differentiable
Calculus - Twice differentiable
Calculus - making a function continuous and differentiable
Differential-equation
Calculus - Separation of Variables
Calculus - Introduction to Differential Equations
Calculus - Euler's Method
Calculus - Slope Fields
Dilate
Dilation - math word definition
Directrix
Indexpage - math word definition - Math Open Reference
Cylinder definition and properties
Relation of a cylinder to a prism
Parabola definition (focus / directrix form)
Distance
Indexpage - math word definition - Math Open Reference
Distance from a point to a line using trigonometry
Distance between points
Distance from a point to a line
Distance from a point to a line using a formula
Distance from a point to a line using two line equations
Calculus - Approximating Distance Traveled
Distance from a point to a vertical or horizontal line
Dodecagon
Dodecagon - math word definition
Domain
Indexpage - math word definition - Math Open Reference
Indexpage - math word definition - Math Open Reference
E
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Eccentricity
Eccentricity an ellipse
Edge
Definition of the math word edge
Ellipse
Circle and ellipse drawing algorithm
Ellipse - math word definition- Math Open Reference
Parametric Equation of an Ellipse
Eccentricity an ellipse
Conic section - ellipse
Elliptical mirrors
Semi-major / semi-minor axis of an ellipse
Finding the foci an ellipse
Area enclosed by an ellipse
Major / minor axis of an ellipse
How to construct (draw) an ellipse
Perimeter of an Ellipse
Foci of an ellipse
General Equation of an Ellipse
Tangent to an ellipse
Equation
Parametric Equation of a Circle
Parametric Equation of an Ellipse
General Equation of an Ellipse
Basic Equation of a Circle
Equation of a line - slope and intercept form. (Coordinate Geometry)
Indexpage - math word definition - Math Open Reference
General form of Equation of a Circle
Equation of a line - point - slope form. (Coordinate Geometry)
Equiangular
Equiangular - math word definition
Regular Polygon - math word definition
Equidistant
Equidistant - math word definition
Equilateral
How to construct an equilateral triangle inscribed in a given circle with compass and straightedge or ruler
Area of an equilateral triangle
How to construct (draw) an equilateral triangle with compass and straightedge or ruler
Equilateral - math word definition
Euclid
Euclid - math word definition
Constructions Introduction. Drawing shapes with compasses and straightedge
Euler
Calculus - Euler's Method
Euler line
Euler the mathematician - Math word definition
Evt
Calculus - Extreme Value Theorem
Exponent
Zero-exponent Rule
Exponential
Calculus - Exponential Functions
Exterior-angle
Indexpage - math word definition - Math Open Reference
Interior / exterior angles of a polygon
Exterior Angles - math word definition
Alternate Exterior Angles definition
Exterior Angles of a Transversal definition
Triangle exterior angles definition
Triangle exterior angle theorem
Extrema
Calculus - Curve Analysis - Global Extrema
Extreme
Calculus - Extreme Value Theorem
F
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Face
Definition of the math word face
Factor
Prime number - math word definition
Indexpage - math word definition - Math Open Reference
Foci
Indexpage - math word definition - Math Open Reference
Ellipse - math word definition- Math Open Reference
Foci of an ellipse
Focus
Parabola definition (focus / directrix form)
Finding the foci an ellipse
Indexpage - math word definition - Math Open Reference
Foci of an ellipse
Ellipse - math word definition- Math Open Reference
Elliptical mirrors
Fraction
Indexpage - math word definition - Math Open Reference
Reciprocal - math word definition
Indexpage - math word definition - Math Open Reference
Full-angle
Full Angle - An angle with a measure of 360 deg
Full angle - Math word definition
Function
Linear function graphical explorer (mx+b)
Calculus - Derivative Function
Cosine - math word definition
Linear function graphical explorer (ax+b)
The sine function - math word definition
Calculus - Functions defined using integrals
The trigonometry arcsin() function - inverse sine - math word definition
Graph of the Tangent function - Trigonometry
Graph of the Cosine function - Trigonometry
Introduction to the 6 trigonometry functions
The tangent function in right triangles - Trigonometry
Trigonometry function with large and negative angles
Graph of the Sine function - Trigonometry
Graphical Function Explorer grapher (GFE)
Calculus - Invertible Functions
Secant function (sec) - Trigonometry
The trigonometry arccos() function - inverse cosine - math word definition
Indexpage - math word definition - Math Open Reference
The trigonometry arctan() function - inverse tangent - math word definition
Indexpage - math word definition - Math Open Reference
Functions as used in programming languages
SOHCAHTOA - math word definition - Trigonometry
The inverse trigonometry functions
Graph of a function
Fundamental
Calculus - Fundamental Theorem of Calculus
G
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Generator
Indexpage - math word definition - Math Open Reference
Generatrix
Cylinder definition and properties
Indexpage - math word definition - Math Open Reference
Relation of a cylinder to a prism
Global
Calculus - Curve Analysis - Global Extrema
Golden-rectangle
The Golden Rectangle - math word definition
Graph
Graph of the Sine function - Trigonometry
Quadratic curve and graph display (standard form)- Math Open Reference
Linear function graphical explorer (mx+b)
Quadratic curve and graph display (vertex form)
Graph of the Tangent function - Trigonometry
Linear function graphical explorer (ax+b)
Cubic curve and graph display
Graph of a function
Print blank graph paper
When the graph tool seems to produce incorrect results
Sine waves- math word definition - Trigonometry
How to customize the General Function Explorer (GFE)
Graphical Function Explorer grapher (GFE)
Graph of the Cosine function - Trigonometry
Growth
Calculus - Growth, Decay, and the Logistic Equation
H
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Heptagon
Heptagon - math word definition
Heron
Area of a triangle given three sides - Heron's Formula
Biography of Heron
Hexagon
Hexagon - math word definition
How to construct a regular hexagon given one side with compass and straightedge or ruler
How to construct a regular hexagon inscribed in a circle with compass and straightedge or ruler
Horizontal
Horizontal - math word definition
Horizontal line definition. (Coordinate Geometry)
Hyperbolic
Calculus - Hyperbolic Functions
Hypotenuse
Hypotenuse - math word definition
Triangle definition and properties
HL Congruent Triangles
I
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I
Complex numbers - animated definition
The letter j - math word definition
Indexpage - math word definition - Math Open Reference
The letter i - math word definition
Icosahedron
Icosahedron - A regular polyhedron with 20 faces - One of the platonic solids
Identity
Indexpage - math word definition - Math Open Reference
Trigonometry identities
Imaginary-number
Indexpage - math word definition - Math Open Reference
The letter j - math word definition
Complex numbers - animated definition
Indexpage - math word definition - Math Open Reference
The letter i - math word definition
Indexpage - math word definition - Math Open Reference
Improper
Calculus - Improper Integrals
Incenter
How to construct the incenter of a triangle with compass and straightedge
How to construct (draw) the incircle of a triangle with compass and straightedge or ruler
Incenter coordinates of a triangle given the vertex coordinates (Coordinate Geometry)
Indexpage - math word definition - Math Open Reference
Triangle Centers Overview
Incenter of a regular polygon
Triangle incircle definition
Triangle incenter, description and properties
Incircle
Indexpage - math word definition - Math Open Reference
Incenter of a regular polygon
Incircle of a Polygon
How to construct (draw) the incircle of a triangle with compass and straightedge or ruler
Incircle
How to construct the incenter of a triangle with compass and straightedge
Triangle incircle definition
Included
Included - math word definition
Included side definition
Included angle definition
Inequality
Triangle inequality theorem converse
Triangle inequality theorem- Math Open Reference
Initial
Initial side - math word definition - Trigonometry
Inradius
Triangle incircle definition
Indexpage - math word definition - Math Open Reference
Incircle of a Polygon
Inscribed
Inscribed angle of a circle
Square inscribed in a circle
Angle inscribed in a semicircle
Incircle
How to construct a regular hexagon inscribed in a circle with compass and straightedge or ruler
How to construct an equilateral triangle inscribed in a given circle with compass and straightedge or ruler
Parallelogram inscribed in a quadrilateral
Constructing a regular pentagon inscribed in a circle
How to construct a square inscribed in a circle with compass and straightedge or ruler
Triangle incircle definition
Inscribed (cyclic) quadrilateral
Inscribed - math word definition
Arc Peripheral Angle
Instantaneous
Calculus - Instantaneous Velocity
Integer
Indexpage - math word definition - Math Open Reference
Indexpage - math word definition - Math Open Reference
Integral
Calculus - Improper Integrals
Calculus - Riemann Sums
Calculus - Functions defined using integrals
Calculus - Properties of Definite Integrals
Calculus - Polar Area
Calculus - Integral Test
Integration
Calculus - Integration By Substitution
Intercept
Intercept (b) of a line (Coordinate Geometry)
Equation of a line - slope and intercept form. (Coordinate Geometry)
Intercepted arc
Introduction to Lines in Coordinate Geometry
Interior
Interior - math word definition
Alternate Interior Angles definition
Triangle interior angles definition
Interior Angles of a transversal definition
Interior / exterior angles of a polygon
Interior angles of an inscribed quadrilateral
Interior of an angle definition
Polygon Interior Angles
Intermediate
Calculus - Intermediate Value Theorem
Intersect
Intersecting Secant Angles Theorem
Intersection - math word definition
Intersecting straight lines. (Coordinate Geometry)
Intersecting Secant Theorem
Intersecting Chord Theorem
Interval-notation
Indexpage - math word definition - Math Open Reference
Inverse
The inverse trigonometry functions
Calculus - Invertible Functions
Irrational-number
Indexpage - math word definition - Math Open Reference
Irrational number - math word definition
Rational Number - math word definition
Irregular
Irregular polygon - math word definition
Area of an Irregular Polygon
Isosceles
How to construct an isosceles triangle given base and one side
Isosceles triangle - math word definition
How to construct (draw) an isosceles triangle given base and altitude with compass and straightedge or ruler
Ivt
Calculus - Intermediate Value Theorem
J
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J
The letter j - math word definition
Indexpage - math word definition - Math Open Reference
Complex numbers - animated definition
The letter i - math word definition
K
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Kite
Kite - math word definition
Area of a Kite
Perimeter of a kite
L
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Lagrange
Calculus - Lagrange Remainder
Law
Solving Triangles
The Law of Sines
Proof of the Law of Cosines
Proof of the Law of Sines
The Law of Cosines
Leg
Angle - Math word definition
Lhopital
Calculus - L'Hopital's Rule
Limit
Calculus - Tabular view of limits
Calculus - Limit Comparison Test
Calculus - Instantaneous Velocity
Calculus - Limits: Informal view
Calculus - limits at infinity
Calculus - 1 and 2-sided limits and no limits
Calculus - Approximating Distance Traveled Using a Graph
Limits
Calculus - Formal view of limits
Line
Distance from a point to a line using trigonometry
Euler line
Vertical line definition. (Coordinate Geometry)
Line - math word definition
Distance from a point to a line using a formula
Intercept (b) of a line (Coordinate Geometry)
Horizontal - math word definition
Intersecting straight lines. (Coordinate Geometry)
Slope (m) of a line (Coordinate Geometry)
Equation of a line - slope and intercept form. (Coordinate Geometry)
Parallel lines. (Coordinate Geometry)
Midpoint Theorem (Coordinate Geometry)
Line definition (Coordinate Geometry)
Intersection - math word definition
Line segment bisector definition
Distance from a point to a vertical or horizontal line
Transversal - math word definition
Introduction to Lines in Coordinate Geometry
Horizontal line definition. (Coordinate Geometry)
Perpendicular - math word definition
Equation of a line - point - slope form. (Coordinate Geometry)
Distance from a point to a line
Perpendicular lines. (Coordinate Geometry)
Parallel lines - math word definition
Reflection - a mirror image of a line segment
Line Segment definition (Coordinate Geometry)
Line Segment Definition
Congruent Lines Definition
Ray - math word definition
Tangent to a circle definition
Slope (m) of a line (Coordinate Geometry)
Perpendicular bisector definition
Vertical - math word definition
Distance from a point to a line using two line equations
Linear
Calculus - Motion along a line
Linear Pair - math word definition
Linear function graphical explorer (mx+b)
Calculus - Linear Approximations
Linear function graphical explorer (ax+b)
Locus
Cylinder as the locus of a line
Locus - math word definition
Logistic
Calculus - Growth, Decay, and the Logistic Equation
M
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Major
Major / minor axis of an ellipse
Semi-major / semi-minor axis of an ellipse
Major and Minor Arcs
Mean
Calculus - Mean Value Theorem
Measure
Angle measure of an arc
Median
Trapezoid and its properties. (Coordinate Geometry)
Median of a triangle - math word definition
Trapezoid median (midline, midsegment) definition
How to construct (draw) the medians of a triangle
Midline
Trapezoid median (midline, midsegment) definition
Midpoint
Calculus - Midpoint and Trapezoidal Riemann Sums
How to bisect a segment with compass and straightedge or ruler
Midpoint Theorem (Coordinate Geometry)
Midpoint - math word definition
Midsegment
How to construct midsegment of a triangle with compass and straightedge or ruler
Trapezoid median (midline, midsegment) definition
Triangle midsegment - math word definition
Minor
Semi-major / semi-minor axis of an ellipse
Major / minor axis of an ellipse
Major and Minor Arcs
Minus
Positive number definition - math word definition
Negative number definition - math word definition
Minute
Angle calculator for angles expressed in Degrees, Minutes, Seconds
Mirror
Elliptical mirrors
Motion
Calculus - Motion on a Plane
Calculus - Equations of Motion
Calculus - Motion along a line
Multiples
Calculus - Constant multiples of functions
N
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Natural-number
Whole number - math word definition
Cardinal numbers (Whole numbers or natural numbers)
Indexpage - math word definition - Math Open Reference
Counting numbers (Whole numbers or natural numbers)
Natural number - math word definition
Negative-number
Negative number definition - math word definition
Uses of negative numbers
Positive number definition - math word definition
Indexpage - math word definition - Math Open Reference
Nonagon
Nonagon - math word definition
Normal
Normal - math word definition
Perpendicular - math word definition
Normal-form
Normal form - math word definition
Number
Indexpage - math word definition - Math Open Reference
Negative number definition - math word definition
Whole number - math word definition
Percent
Positive number definition - math word definition
Number line
Normal form - math word definition
Natural number - math word definition
Percent mistakes
Indexpage - math word definition - Math Open Reference
Calculating percentages
Indexpage - math word definition - Math Open Reference
Complex numbers - animated definition
Indexpage - math word definition - Math Open Reference
Prime number - math word definition
Composite number - math word definition
Indexpage - math word definition - Math Open Reference
Scalar - math word definition
Number-line
Number line
Indexpage - math word definition - Math Open Reference
Indexpage - math word definition - Math Open Reference
Negative number definition - math word definition
Positive number definition - math word definition
Numerator
Indexpage - math word definition - Math Open Reference
O
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Oblique
Prism definition
Oblique versus right cone - Math Open Reference
Cylinder definition and properties
Oblique versus right pyramid - Math Open Reference
Indexpage - math word definition - Math Open Reference
Oblique cylinder
Oblong
Rectangle - math word definition
Obtuse
Obtuse - math word definition
Obtuse triangle definition
Obtuse Angle definition
Octagon
Octagon - math word definition
Opposite
Vertical Angles definition
Opposite Rays Definition
Ordinal
Indexpage - math word definition - Math Open Reference
Ordinate
Indexpage - math word definition - Math Open Reference
Coordinates of a point
Origin
The Coordinate Plane
Origin - math word definition
Introduction to Coordinate Geometry
Orthocenter
Indexpage - math word definition - Math Open Reference
Triangle Centers Overview
Euler line
How to construct (draw) the orthocenter of a triangle- Math Open Reference
Orthocenter of a triangle - math word definition
Orthogonal
Right Angle - math word definition
Indexpage - math word definition - Math Open Reference
Outlier
Outlier - math word definition
P
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Parabola
Derivation of the equation of a parabola
Parabola definition (quadratic equation ) Math Open Reference
Quadratic curve and graph display (standard form)- Math Open Reference
Parabola definition (conic section) Math Open Reference
Parabola - math word definition
Parabola definition (focus / directrix form)
Parallel
Parallel lines. (Coordinate Geometry)
Parallel lines - math word definition
How to construct a parallel through a point (translated triangle method) with compass and straightedge or ruler
How to construct a parallel through a point with compass and straightedge or ruler
Transversal - math word definition
How to construct (draw) a parallel through a point with compass and straightedge or ruler (rhombus method)
Parallelogram
Derivation of the formula for the area of a parallelogram
Perimeter of a parallelogram
Parallelogram diagonals bisect each other
Area of a parallelogram. Definition and formula
Parallelogram inscribed in a quadrilateral
Parallelogram and its properties. (Coordinate Geometry)
Interior angles of a parallelogram
Parallelogram - math word definition
Parameter
Parametric Equation of a Circle
Parametric Equation of an Ellipse
Parametric
Calculus - Parametric Derivatives
Parametric
Parametric Equation of a Circle
Parametric Equation of an Ellipse
Pentagon
Pentagon - math word definition
Constructing a regular pentagon inscribed in a circle
Percent
Calculating percentages
Percent
Percent mistakes
Perimeter
Perimeter of a parallelogram
Perimeter of a kite
Indexpage - math word definition - Math Open Reference
Perimeter of a rhombus
Relationship of area and perimeter of a triangle
Perimeter of a square
Perimeter of a polygon
Perimeter of a triangle
Perimeter of a trapezoid
Circumference (perimeter) of a circle definition
Area and Perimeter of a Square. (Coordinate Geometry)
Trapezoid area and perimeter. (Coordinate Geometry)
Area and perimeter of a rectangle. (Coordinate Geometry)
Perimeter of a rectangle
Perimeter of an Ellipse
Peripheral
Arc Peripheral Angle
Perpendicular
How to construct (draw) a perpendicular from a line through a point
Perpendicular lines. (Coordinate Geometry)
How to construct (draw) a perpendicular at the end of a ray with compass and straightedge or ruler
Transversal - math word definition
Perpendicular - math word definition
Perpendicular bisector definition
How to construct (draw) a perpendicular at a point on a line
Pi
Area enclosed by a circle
Derivation of the formula for the circumference of a circle
Area of an annulus
Pi - math word definition
Area enclosed by an ellipse
Plane
Plane - math word definition
Coplanar - Math word definition
Introduction to Coordinate Geometry
Calculus - Motion on a Plane
Introduction to plane geometry
The Coordinate Plane
Platonic-solid
Icosahedron - A regular polyhedron with 20 faces - One of the platonic solids
Plus
Negative number definition - math word definition
Positive number definition - math word definition
Point
Distance from a point to a line using a formula
Distance between points
Calculus - Derivative at a Point
Coordinates of a point
Equidistant - math word definition
Distance from a point to a line using trigonometry
Equation of a line - point - slope form. (Coordinate Geometry)
Collinear - Math word definition
Reflection - a mirror image of a point
Distance from a point to a line using two line equations
Distance from a point to a vertical or horizontal line
Points of concurrency
Distance from a point to a line
Introduction to Coordinate Geometry
Point - math word definition
Locus - math word definition
Polar
Calculus - Polar Derivatives
Calculus - Polar Area
Polygon
Regular Polygon - math word definition
Regular polygon area formula
Derivation of the formula for the area of a regular polygon
Octagon - math word definition
Radius of a Regular Polygon
Area of an Irregular Polygon
Congruent Polygons- Math Open Reference
Perimeter of a polygon
Sides of a Polygon
Decagon - math word definition
Undecagon - math word definition
Hexagon - math word definition
Area of a polygon calculator
Tetragon - math word definition
Apothem of a polygon
Triangles of a Polygon
Congruent Polygon Tests- Math Open Reference
Heptagon - math word definition
Area of a polygon algorithm
Dodecagon - math word definition
Concave Polygon Definition
Coordinates of a regular polygon
Irregular polygon - math word definition
Incenter of a regular polygon
Convex Polygon Definition
Exterior Angles - math word definition
Polygon diagonals
Pentagon - math word definition
Circumcircle of a Regular Polygon
Incircle of a Polygon
Polygon Interior Angles
Similar polygons and triangles defined
Polygon - math word definition
Nonagon - math word definition
Area of any polygon (Coordinate Geometry)
Interior / exterior angles of a polygon
Central Angle of a Polygon
Center of a Polygon
Polyhedron
Definition of the math word face
Definition of the math word edge
Icosahedron - A regular polyhedron with 20 faces - One of the platonic solids
Oblique versus right pyramid - Math Open Reference
Pyramid - Math word definition
Polynomial
Root (of a polynomial) - math word definition
Position
Calculus - Equations of Motion
Positive-number
Negative number definition - math word definition
Positive number definition - math word definition
Indexpage - math word definition - Math Open Reference
Power
Calculus - Power Series
Calculus - Power Functions
Prime-number
Indexpage - math word definition - Math Open Reference
Composite number - math word definition
Prime number - math word definition
Printable
Printable instructions for finding the foci of an ellipse with compass and straightedge or ruler
Printable instructions for drawing an ellipse with string and pins
Printable instructions for constructing a right triangle with given angle and hypotenuse with compass and straightedge or ruler
Printable instructions for constructing a right triangle with given angle and one leg (LA) with compass and straightedge or ruler
Printable instructions for drawing an equilateral triangle with compass and straightedge or ruler
Printable instructions for drawing parallel through a point with compass and straightedge or ruler
Printable instructions for constructing a hexagon given one side.
Printable instructions for drawing a perpendicular at the end of a ray with compass and straightedge or ruler
Printable instructions for drawing an angle with a protractor
Printable instructions for constructing tangents to two given circles.
Printable instructions for measuring an angle using a protractor
Printable instructions for copying a triangle with compass and straightedge or ruler
Printable step-by-step instructions for constructing a triangle given two angles and non-included side (AAS) with compass and straightedge or ruler
Printable step-by-step instructions for constructing the difference of two angles with compass and straightedge or ruler
Printable instructions for constructing one of the two internal tangents to two given circles.
Printable instructions for dividing a line segment into equal parts with compass and straightedge or ruler
Printable instructions for drawing parallel through a point (rhombus method)
Printable step-by-step instructions for constructing a segment which is the difference of two given segments with compass and straightedge or ruler
Printable instructions for constructing an isosceles triangle given a side and apex angle
Printable instructions for drawing tangents to a circle from a point with compass and straightedge or ruler
Printable step-by-step instructions for drawing an isosceles triangle with compass and straightedge or ruler - II
Printable instructions for constructing a pentagon inscribed in a given circle.
Printable instructions for drawing the medians of a triangle with compass and straightedge or ruler
Printable instructions for constructing a square of a given side length with compass and straightedge or ruler
Printable instructions for constructing a square inscribed in a circle with compass and straightedge or ruler
Printable instructions for finding the midsegment of a triangle with compass and straightedge or ruler
Printable step-by-step instructions for drawing an isosceles triangle with compass and straightedge or ruler
Printable instructions for copying a line segment with compass and straightedge or ruler
Printable instructions for constructing the supplementary angle to a given angle with compass and straightedge or ruler
Printable instructions for constructing a hexagon inscribed in a given circle.
Printable instructions for drawing a perpendicular to a line through a point with compass and straightedge or ruler
Printable instructions for drawing the incircle of a triangle with compass and straightedge or ruler
Printable instructions for drawing a perpendicular at a point on a line with compass and straightedge or ruler
Printable instructions for drawing a tangent at a point on a circle with compass and straightedge or ruler
Printable instructions for drawing parallel through a point with compass and straightedge or ruler
Printable instructions for finding the orthocenter of a triangle with compass and straightedge or ruler
Printable instructions for constructing an equilateral triangle inscribed in a given circle.
Printable instructions for constructing a right triangle with given leg and hypotenuse with compass and straightedge or ruler
Printable instructions for finding the incenter of a triangle with compass and straightedge or ruler
Printable instructions for drawing a 45 degree angle with compass and straightedge or ruler
Printable instructions for finding the altitude of an obtuse triangle with compass and straightedge or ruler
Printable instructions for finding the altitude of an acute triangle with compass and straightedge or ruler
Printable instructions for drawing a 60 degree angle with compass and straightedge or ruler
Printable instructions for drawing a 90 degree angle with compass and straightedge or ruler
Printable instructions for bisecting a line with compass and straightedge or ruler
Printable instructions for bisecting an angle with compass and straightedge or ruler
Printable step-by-step instructions for constructing a segment which is the sum of given segments with compass and straightedge or ruler
Printable step-by-step instructions for adding two angles with compass and straightedge or ruler
Printable strp-by-step instructions for drawing a triangle given three sides with compass and straightedge or ruler
Printable step-by-step instructions for drawing a triangle given two angles and included side with compass and straightedge or ruler
Printable instructions for drawing a triangle given two sides and included angle with compass and straightedge or ruler
Printable instructions for drawing a 30-60-90 triangle with compass and straightedge or ruler
Constructing a circle through 3 given points
Printable instructions for constructing a right triangle with given leg lengths with compass and straightedge or ruler
Printable instructions for drawing a 30 degree angle with compass and straightedge or ruler
Printable instructions for finding the circumcenter of a triangle with compass and straightedge or ruler
Printable instructions for finding the centroid of a triangle with compass and straightedge or ruler
Printable instructions for constructing the complementary angle to a given angle with compass and straightedge or ruler
Printable instructions for copying an angle with compass and straightedge or ruler
Printable instructions for finding the center of a circle with any right angled object
Printable instructions for drawing the circumcircle of a triangle with compass and straightedge or ruler
Printable instructions for finding the center of a circle with compass and straightedge or ruler
Prism
Surface area of a prism
Relation of a cylinder to a prism
Prism definition
Volume of a triangular prism
Problems
Trigonometry problems - Slope angle
Trigonometry problems - Slant distance
The 'Many Triangles' math problem #2
The 'Three Satellites' triangle math problem
Many triangles answer
The 'Many Triangles' math problem #1
Many triangles II answer
The 'Ball Box' math problem
Product
Calculus - Product and Quotient of Functions
Proof
Proof of the Law of Cosines
Pythagorean Theorem Proof
Proof of the Law of Sines
Protractor
Protractor - math word definition
How to use a protractor to measure angles
How to use a protractor to draw an angle
Ptolemy
Diagonals of an inscribed quadrilateral
Ptolemy
Pyramid
Surface area of a pyramid
Pyramid - Math word definition
Volume of a pyramid
Oblique versus right pyramid - Math Open Reference
Comparison of a cone and pyramid
Pythagoras
Solving Triangles
Pythagorean Theorem Proof
Pythagorean Theorem - math word definition
Distance between points
Solving Triangles using Trigonometry
30-60-90 triangle definition
Pythagorean triples triangle definition
3:4:5 triangle definition
Biography of Pythagoras - math word definition
45-45-90 triangle definition
Trigonometry introduction - math word definition
Pythagorean
Pythagorean Theorem - math word definition
Pythagorean triples triangle definition
Pythagorean Theorem Proof
Q
TOP
QED
Q.E.D. - math word definition
Quadrangle
Quadrilateral (also: tetragon, quadrangle) - math word definition
Rectangle - math word definition
Square - math word definition
Quadrant
The Coordinate Plane
Indexpage - math word definition - Math Open Reference
Quadrantal
Quadrantal angle - math word definition - Trigonometry
Quadratic
Quadratic curve and graph display (vertex form)
Quadratic curve and graph display (standard form)- Math Open Reference
Quadrilateral
Interior angles of an inscribed quadrilateral
Area of a Kite
Kite - math word definition
Inscribed (cyclic) quadrilateral
Area of an inscribed quadrilateral
Parallelogram inscribed in a quadrilateral
Diagonals of an inscribed quadrilateral
Parallelogram - math word definition
Quadrilateral (also: tetragon, quadrangle) - math word definition
Rhombus - math word definition
Square - math word definition
Rectangle - math word definition
Trapezoid - math word definition
Trapezium - math word definition
Quiz
Angle Quiz 1
Triangle Quiz 1
Quotient
Indexpage - math word definition - Math Open Reference
Calculus - Product and Quotient of Functions
R
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Radians
Radian - math word definition
Angle definition and properties (Trigonometry)
Degrees as a unit of angle measure
Radical
Radical - math word definition
Radical sign or symbol - math word definition
Root (of a number) - math word definition
Radical-sign
Radical sign or symbol - math word definition
Radicand
Radical sign or symbol - math word definition
Radical - math word definition
Root (of a number) - math word definition
Radicand - math word definition
Radius
Radius of a circle - math word definition
Semicircle - math word definition
Circumference (perimeter) of a circle definition
Radius of an Arc or Arch - Math Open Reference
Derivation of the arc radius formula
Radius of a Regular Polygon
Parts of a circle - Pictorial index
Circumcircle of a Regular Polygon
Range
Indexpage - math word definition - Math Open Reference
Range of a function
Rate
Calculus - Related Rates - a melting snowball
Ratio
Calculus - Ratio Test
Ratio - math word definition
Rational-number
Rational Number - math word definition
Indexpage - math word definition - Math Open Reference
Irrational number - math word definition
Ray
Ray definition (Coordinate Geometry)
Opposite Rays Definition
Ray - math word definition
Real-number
Indexpage - math word definition - Math Open Reference
Indexpage - math word definition - Math Open Reference
Indexpage - math word definition - Math Open Reference
Complex numbers - animated definition
Reciprocal
Reciprocal - math word definition
Rectangle
Diagonals of a rectangle
Rectangles and International paper sizes
The Golden Rectangle - math word definition
Circumscribed rectangle, bounding box. (Coordinate Geometry)
Perimeter of a rectangle
Area and perimeter of a rectangle. (Coordinate Geometry)
Area of a rectangle. Definition and formula
Rectangle and its properties. (Coordinate Geometry)
Rectangle - math word definition
Reference-angle
Reference angle
Reflect
Reflection - math word definition
Reflection - a mirror image of a line segment
Reflection - a mirror image of a point
Reflected Congruent Triangles
Reflex-angle
Reflex Angle definition
Regular
Regular Polygon - math word definition
Regular polygon area formula
Remainder
Prime number - math word definition
Revolution
Calculus - Volumes of Revolution
Rhombus
Rhombus - math word definition
How to construct (draw) a parallel through a point with compass and straightedge or ruler (rhombus method)
Rhombus diagonals bisect each other at right angles
Perimeter of a rhombus
Rhombus area formula
Riemann
Calculus - Riemann Sums
Calculus - Midpoint and Trapezoidal Riemann Sums
Riemann-sum
Calculus - Riemann Sums
Calculus - Midpoint and Trapezoidal Riemann Sums
Right
Pythagorean Theorem - math word definition
Oblique versus right pyramid - Math Open Reference
Right Angle - math word definition
Oblique versus right cone - Math Open Reference
Right triangle definition
Right-angle
How to construct a 90 degree angle with compass and straightedge or ruler
Perpendicular - math word definition
Root
Radical - math word definition
Radicand - math word definition
Root (of a number) - math word definition
Root - math word definition
Radical sign or symbol - math word definition
Root (of a polynomial) - math word definition
Rotate
Rotation - math word definition
Rotated Congruent Triangles
Rounding
Indexpage - math word definition - Math Open Reference
Ruler
Constructions Introduction. Drawing shapes with compasses and straightedge
Indexpage - math word definition - Math Open Reference
List of construction worksheets
S
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Sagitta
Parts of a circle - Pictorial index
Radius of an Arc or Arch - Math Open Reference
Sagitta definition, the height, width, radius of an arc
SAS
Area of a triangle (Side-angle-side method)
SAS Congruent Triangles
Scalar
Indexpage - math word definition - Math Open Reference
Scalar - math word definition
Scalene
Scalene triangle - math word definition
Scientific-notation
Indexpage - math word definition - Math Open Reference
Normal form - math word definition
Sec
SEC - Math word definition
Secant function (sec) - Trigonometry
Secant
Introduction to the 6 trigonometry functions
Parts of a circle - Pictorial index
Secant of a circle definition
Indexpage - math word definition - Math Open Reference
Secant function (sec) - Trigonometry
Calculus - trigonometric Functions
Intersecting Secant Theorem
Intersecting Secant Angles Theorem
Chord - Math word definition
Second
Calculus - Second Fundamental Theorem of Calculus
Angle calculator for angles expressed in Degrees, Minutes, Seconds
Second-derivative
Calculus - Table view of second derivative
Calculus - Second Derivative
Sector
Parts of a circle - Pictorial index
Area of a sector of a circle
Sector definition
Segment
Copying a line segment with compass and straightedge or ruler
Parts of a circle - Pictorial index
Volume of a cylinder segment
Radius of an Arc or Arch - Math Open Reference
Area of a circle segment
Segment of a Circle
Area of a circle segment
Copying a line segment with compass and straightedge or ruler
Sum of line segments using compass and straightedge or ruler
Midpoint Theorem (Coordinate Geometry)
Difference of two line segments using compass and straightedge or ruler
Line Segment definition (Coordinate Geometry)
Dividing a line segment into N equal parts with compass and straightedge or ruler
Line Segment Definition
Semi
Semi-major / semi-minor axis of an ellipse
Semicircle
Angle inscribed in a semicircle
Semicircle - math word definition
Separation
Calculus - Separation of Variables
Sequence
Calculus - Sequences
Series
Calculus - Series
Calculus - Power Series
Calculus - Alternating Series Test
Side
Relationship of side lengths and angles of a triangle
SSS Congruent Triangles
SSS Triangle similarity test
Included side definition
Adjacent sides definition
SAS Triangle similarity test
Sides of a Polygon
Sign
Positive number definition - math word definition
Negative number definition - math word definition
Similar
AAA Triangle similarity test
Triangle similarity, ratios of parts
Triangle similarity, ratios of area
Similar Triangles
SAS Triangle similarity test
Similar polygons and triangles defined
SSS Triangle similarity test
Sin
SIN - Math word definition
The trigonometry arcsin() function - inverse sine - math word definition
The sine function - math word definition
Trigonometry Overview
Graph of the Sine function - Trigonometry
Sine waves- math word definition - Trigonometry
Sine
Solving Triangles
The sine function - math word definition
SOHCAHTOA - math word definition - Trigonometry
Proof of the Law of Sines
Calculus - trigonometric Functions
Graph of the Sine function - Trigonometry
The Law of Sines
The trigonometry arcsin() function - inverse sine - math word definition
Introduction to the 6 trigonometry functions
Slant-height
Slant height of a right cone
Slope
Introduction to Lines in Coordinate Geometry
Calculus - Antiderivatives from Slope
Equation of a line - point - slope form. (Coordinate Geometry)
Equation of a line - slope and intercept form. (Coordinate Geometry)
Slope (m) of a line (Coordinate Geometry)
Calculus - Slope Fields
SOHCAHTOA
SOHCAHTOA - math word definition - Trigonometry
Solving
Trigonometry problems - Slant distance
Solving Triangles using Trigonometry
Trigonometry introduction - math word definition
Trigonometry problems - Slope angle
Speed
Calculus - Equations of Motion
Sphere
Volume of a sphere
Surface area of a sphere
Square
Diagonals of a square
Square - math word definition
Square inscribed in a circle
Perimeter of a square
How to construct (draw) a square
How to construct a square inscribed in a circle with compass and straightedge or ruler
Square and its properties. (Coordinate Geometry)
Area of a square. Definition and formula
Area and Perimeter of a Square. (Coordinate Geometry)
Standard
General form of Equation of a Circle
Standard position of an angle definition - Trigonometry
Statistics
Outlier - math word definition
Straight
Straight Angle definition
Straightedge
List of construction worksheets
Indexpage - math word definition - Math Open Reference
Constructions Introduction. Drawing shapes with compasses and straightedge
Substitution
Calculus - Integration By Substitution
Subtended
Subtended angle definition
Sum
Calculus - derivative combinations: sum and difference
Supplementary
Supplementary Angles definition
Interior angles of an inscribed quadrilateral
Supplementary angle using compass and straightedge or ruler
Surd
Indexpage - math word definition - Math Open Reference
Surface-area
Surface area of 3D solid shapes with formula and links to other pages
Surface area of a right cone
Surface area of a prism
Derivation of the surface area of a cylinder
Surface area of a cylinder
Surface area of a cube
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Tan
TAN - Math word definition
The trigonometry arctan() function - inverse tangent - math word definition
The tangent function in right triangles - Trigonometry
Graph of the Tangent function - Trigonometry
Trigonometry Overview
Tangent
How to construct (draw) the two internal tangents to two given circles
Indexpage - math word definition - Math Open Reference
Tangent to a circle definition
The tangent function in right triangles - Trigonometry
SOHCAHTOA - math word definition - Trigonometry
Parts of a circle - Pictorial index
Introduction to the 6 trigonometry functions
Tangent to an ellipse
How to construct (draw) the two external tangents to two given circles
How to construct a tangent to a circle at a point
Graph of the Tangent function - Trigonometry
The trigonometry arctan() function - inverse tangent - math word definition
Calculus - trigonometric Functions
How to construct (draw) tangents to a circle through an external point
Taylor-series
Calculus - Taylor series and Polynomials
Teaching-notes
Teaching Notes: Limitations of the applets in the coordinate geometry section
Terminal
Terminal side definition - Trigonometry
Coterminal - math word definition
Test
Calculus - Ratio Test
Calculus - Comparison Test
Calculus - Integral Test
Calculus - Limit Comparison Test
Calculus - Alternating Series Test
Tetragon
Tetragon - math word definition
Quadrilateral (also: tetragon, quadrangle) - math word definition
Thales
Biography of Thales - math word definition
Thales theorem
Theorem
Central Angle Theorem
Pythagorean Theorem - math word definition
Triangle inequality theorem- Math Open Reference
Triangle inequality theorem converse
Calculus - Fundamental Theorem of Calculus
Triangle exterior angle theorem
Biography of Thales - math word definition
Biography of Pythagoras - math word definition
Thales theorem
Calculus - Second Fundamental Theorem of Calculus
Time
24 hour time calculator
Tools
Linear function graphical explorer (ax+b)
Linear function graphical explorer (mx+b)
Quadratic curve and graph display (standard form)- Math Open Reference
Cubic curve and graph display
Quadratic curve and graph display (vertex form)
Transform
Translation - math word definition
Calculus - Transformations of Functions
Reflection - a mirror image of a point
Dilation - math word definition
Reflection - math word definition
Reflection - a mirror image of a line segment
Rotation - math word definition
Translate
Translation - math word definition
How to construct a parallel through a point (translated triangle method) with compass and straightedge or ruler
Transversal
Interior Angles of a transversal definition
Exterior Angles of a Transversal definition
Transversal - math word definition
Trapezium
Trapezium - math word definition
Trapezoid
Trapezoid and its properties. (Coordinate Geometry)
Trapezoid area and perimeter. (Coordinate Geometry)
Calculus - Midpoint and Trapezoidal Riemann Sums
Perimeter of a trapezoid
Trapezoid median (midline, midsegment) definition
Derivation of the formula for the area of a trapezoid
Trapezoid - math word definition
Area of a trapezoid. Definition and formula
Triangle
Congruent triangles with a common side
Reflected Congruent Triangles
Area of a triangle using the box method (Coordinate Geometry)
Rotated Congruent Triangles
Congruent Triangles
Triangle definition and properties
SSA doesn't work
Triangle Quiz 1
SSS Congruent Triangles
How to construct (draw) a right triangle with a given leg and hypotenuse (HL)
How to construct (draw) one of the three altitudes of a triangle
Solving Triangles
AAA Triangle similarity test
How to construct a 30-60-90 triangle with compass and straightedge or ruler
Orthocenter of a triangle - math word definition
Triangle midsegment - math word definition
How to construct a triangle given two sides and the included angle
Perimeter of a triangle
Median of a triangle - math word definition
Area of a triangle (Coordinate Geometry)
Pythagorean Theorem - math word definition
Relationship of side lengths and angles of a triangle
30-60-90 triangle definition
HL Congruent Triangles
Trigonometry introduction - math word definition
How to construct a triangle given two angles and a non-included side
Area of a triangle given three sides - Heron's Formula
Points of concurrency
How to construct a triangle given two angles and the included side
Euler line
Base - Math word definition
How to construct (draw) a right triangle with a given one angle and hypotenuse (HA)
Equiangular - math word definition
Equilateral - math word definition
Hypotenuse - math word definition
Isosceles triangle - math word definition
Solving Triangles using Trigonometry
ASA Congruent Triangles
How to construct (draw) one of the three altitudes of a triangle
SAS Congruent Triangles
AAS Congruent Triangles
AAA Doesn't work
Right triangle definition
The Law of Cosines
The Law of Sines
Acute triangle definition
Scalene triangle - math word definition
SAS Triangle similarity test
Construct an isosceles triangle with given leg and apex angle with compass and straightedge or ruler
How to construct (draw) an isosceles triangle given base and altitude with compass and straightedge or ruler
Centroid coordinates of a triangle given the vertex coordinates (Coordinate Geometry)
Triangle Circumcenter definition
How to construct (draw) the medians of a triangle
How to construct an isosceles triangle given base and one side
Volume of a triangular prism
Classification of triangles
Triangle interior angles definition
How to construct (draw) the incircle of a triangle with compass and straightedge or ruler
How to construct an equilateral triangle inscribed in a given circle with compass and straightedge or ruler
Circumcircle of a Triangle
How to construct midsegment of a triangle with compass and straightedge or ruler
Triangle centroid definition
How to construct (draw) a triangle given three sides
How to construct (draw) a right triangle with two given leg lengths (LL)
Altitude of a triangle
Relationship of area and perimeter of a triangle
Area of a triangle (conventional method)
Area of a triangle (Side-angle-side method)
45-45-90 triangle definition
Triangle Centers Overview
How to construct (draw) the orthocenter of a triangle- Math Open Reference
Pythagorean Theorem Proof
3:4:5 triangle definition
How to construct (draw) a right triangle with a given one angle and one leg (LA)
Area of an equilateral triangle
How to construct the incenter of a triangle with compass and straightedge
Triangle similarity, ratios of parts
Triangle incircle definition
How to construct circumcenter of a triangle with compass and straightedge or ruler
How to construct a circle through the 3 vertices of a triangle with compass and straightedge or ruler
Triangle incenter, description and properties
Triangle inequality theorem- Math Open Reference
Triangle similarity, ratios of area
SSS Triangle similarity test
Similar Triangles
Triangle inequality theorem converse
How to construct the centroid of a triangle with compass and straightedge or ruler
Copying a triangle with compass and straightedge or ruler
Obtuse triangle definition
Pythagorean triples triangle definition
Acute triangle definition
Triangle exterior angles definition
Triangle exterior angle theorem
Incenter coordinates of a triangle given the vertex coordinates (Coordinate Geometry)
How to construct (draw) an equilateral triangle with compass and straightedge or ruler
Triangles of a Polygon
Trigonometry
Standard position of an angle definition - Trigonometry
Terminal side definition - Trigonometry
Trigonometry problems - Slope angle
Trigonometry problems - Slant distance
Calculus - Derivative at a Point
Solving Triangles using Trigonometry
Calculus - trigonometric Functions
The tangent function in right triangles - Trigonometry
Quadrantal angle - math word definition - Trigonometry
Secant function (sec) - Trigonometry
Trigonometry Overview
Calculus - Table view of the Derivative
Trigonometry function with large and negative angles
Cosine - math word definition
Coterminal - math word definition
The trigonometry arctan() function - inverse tangent - math word definition
Graph of the Cosine function - Trigonometry
Introduction to the 6 trigonometry functions
The trigonometry arcsin() function - inverse sine - math word definition
The trigonometry arccos() function - inverse cosine - math word definition
The inverse trigonometry functions
The sine function - math word definition
Angle definition and properties (Trigonometry)
Graph of the Sine function - Trigonometry
SOHCAHTOA - math word definition - Trigonometry
Trigonometry introduction - math word definition
Initial side - math word definition - Trigonometry
Graph of the Tangent function - Trigonometry
Reference angle
Trigonometry identities
Triples
Pythagorean triples triangle definition
U
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Undecagon
Undecagon - math word definition
Unit
Indexpage - math word definition - Math Open Reference
Unit-circle
Parametric Equation of a Circle
Indexpage - math word definition - Math Open Reference
V
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Velocity
Calculus - Approximating Distance Traveled
Calculus - Instantaneous Velocity
Acceleration - math word definition
Calculus -Average velocity and speed
Calculus - Approximating Distance Traveled Using a Graph
Vertex
Angle - Math word definition
Quadratic curve and graph display (vertex form)
Triangle definition and properties
Vertex - math word definition
Vertical
Vertical Angles definition
Vertical - math word definition
Vertical line definition. (Coordinate Geometry)
Vertices
Vertex - math word definition
Volume
Calculus - Maximizing volume
Volume of a triangular prism
Calculus - Volumes of Known Cross Sections
Calculus - Volumes of Revolution
Volume of a pyramid
Volume of a right cone
Volume of a cylinder
Volume of a cylinder segment
Volume of a cube
Oblique cylinder
Volume of a sphere
Indexpage - math word definition - Math Open Reference
W
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Whole-number
Indexpage - math word definition - Math Open Reference
Natural number - math word definition
Counting numbers (Whole numbers or natural numbers)
Cardinal numbers (Whole numbers or natural numbers)
Whole number - math word definition
Worksheet
List of construction worksheets
X
TOP
X-axis
Y-axis definition
X-axis definition
Y
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Y-axis
Y-axis definition
X-axis definition
Z
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Zero-exponent-rule
Zero-exponent Rule
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