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