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