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