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