SUBJECT INDEX
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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Paper
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Parabola
Quadratic curve and graph display (standard form)- Math Open Reference Parabola - math word definition Parabola definition (conic section) Math Open Reference Derivation of the equation of a parabola Parabola definition (quadratic equation ) Math Open Reference Parabola definition (focus / directrix form)
Parallel
Transversal - math word definition Parallel lines. (Coordinate Geometry) How to construct a parallel through a point with compass and straightedge or ruler How to construct (draw) a parallel through a point with compass and straightedge or ruler (rhombus method) Parallel lines - math word definition How to construct a parallel through a point (translated triangle method) with compass and straightedge or ruler
Parallelogram
Parallelogram and its properties. (Coordinate Geometry) Perimeter of a parallelogram Derivation of the formula for the area of a parallelogram Area of a parallelogram. Definition and formula Interior angles of a parallelogram Parallelogram - math word definition Parallelogram diagonals bisect each other Parallelogram inscribed in a quadrilateral
Parameter
Parametric Equation of an Ellipse Parametric Equation of a Circle
Parametric
Parametric Equation of an Ellipse Parametric Parametric Equation of a Circle Calculus - Parametric Derivatives
Pentagon
Constructing a regular pentagon inscribed in a circle Pentagon - math word definition
Percent
Percent Calculating percentages Percent mistakes
Perimeter
Perimeter of a polygon Area and perimeter of a rectangle. (Coordinate Geometry) Area and Perimeter of a Square. (Coordinate Geometry) Trapezoid area and perimeter. (Coordinate Geometry) Perimeter of an Ellipse Relationship of area and perimeter of a triangle Perimeter of a triangle Perimeter of a trapezoid Perimeter of a parallelogram Perimeter of a kite Circumference (perimeter) of a circle with calculator Perimeter Perimeter of a rectangle with calculator- Math Open Reference Perimeter of a square with calculator- Math Open Reference Perimeter of a rhombus
Peripheral
Arc Peripheral Angle
Perpendicular
Perpendicular - math word definition How to construct (draw) a perpendicular from a line through a point Transversal - math word definition How to construct (draw) a perpendicular at a point on a line Perpendicular bisector definition How to construct (draw) a perpendicular at the end of a ray with compass and straightedge or ruler Perpendicular lines. (Coordinate Geometry)
Pi
Area enclosed by an ellipse Derivation of the formula for the circumference of a circle Area of an annulus Pi - math word definition Area enclosed by a circle with calculator
Plane
Calculus - Motion on a Plane Plane - math word definition Introduction to plane geometry Introduction to Coordinate Geometry The Coordinate Plane Coplanar - Math word definition
Plato
Platonic solid
Platonic solid
Icosahedron - A regular polyhedron with 20 faces - One of the platonic solids Platonic solid
Plus
Positive number definition - math word definition Negative number definition - math word definition
Point
Point - math word definition Distance from a point to a line using two line equations Points of concurrency Distance from a point to a line using a formula Coordinates of a point Distance from a point to a line Calculus - Derivative at a Point Distance from a point to a vertical or horizontal line Equidistant - math word definition Introduction to Coordinate Geometry Collinear - Math word definition Distance between points Locus - math word definition Reflection - a mirror image of a point Distance from a point to a line using trigonometry Equation of a line - point - slope form. (Coordinate Geometry)
Polar
Calculus - Polar Area Calculus - Polar Derivatives
Polygon
Polygon - math word definition Derivation of the formula for the area of a regular polygon Regular polygon area formula Regular Polygon - math word definition Radius of a Regular Polygon Perimeter of a polygon Sides of a Polygon Triangles of a Polygon Undecagon - math word definition Tetragon - math word definition Similar polygons and triangles defined Area of an Irregular Polygon Irregular polygon - math word definition Concave Polygon Definition Circumcircle of a Regular Polygon Central Angle of a Polygon Center of a Polygon Convex Polygon Definition Polygon diagonals Incircle of a Polygon Incenter of a regular polygon Exterior Angles - math word definition Interior / exterior angles of a polygon Polygon Interior Angles Area of a polygon calculator Decagon - math word definition Dodecagon - math word definition Area of a polygon algorithm Area of any polygon (Coordinate Geometry) Congruent Polygons- Math Open Reference Congruent Polygon Tests- Math Open Reference Coordinates of a regular polygon Hexagon - math word definition Heptagon - math word definition Octagon - math word definition Nonagon - math word definition Pentagon - math word definition Apothem of a polygon
Polyhedron
Pyramid - Math word definition Platonic solid Polyhedron Oblique versus right pyramid - Math Open Reference Definition of the math word face Icosahedron - A regular polyhedron with 20 faces - One of the platonic solids Definition of the math word edge
Polynomial
Root (of a polynomial) - math word definition
Position
Calculus - Equations of Motion
Positive number
Positive number definition - math word definition Sign- Math Open Reference Number Negative number definition - math word definition
Power
Calculus - Power Series Calculus - Power Functions
Prime number
Composite number - math word definition Number Prime number - math word definition
Print
Capturing parts of the screen as an image Print blank graph paper
Printable
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 drawing a perpendicular at the end of a ray with compass and straightedge or ruler Printable instructions for drawing a perpendicular to a line through a point with compass and straightedge or ruler Printable instructions for drawing parallel through a point with compass and straightedge or ruler Printable instructions for drawing parallel through a point with compass and straightedge Printable instructions for constructing an isosceles triangle given a side and apex angle Printable step-by-step instructions for drawing an isosceles triangle with compass and straightedge or ruler - II Printable step-by-step instructions for drawing an isosceles triangle with compass and straightedge or ruler Printable instructions for constructing a square of a given side length with compass and straightedge or ruler Printable instructions for measuring an angle using a protractor Printable instructions for drawing the medians of a triangle with compass and straightedge or ruler Printable instructions for finding the midsegment of a triangle with compass and straightedge or ruler Printable instructions for constructing one of the two internal tangents to two given circles. Printable instructions for constructing a right triangle with given leg lengths with compass and straightedge or ruler Printable instructions for constructing a right triangle with given angle and one leg (LA) with compass and straightedge or ruler Printable instructions for drawing a triangle given two sides and included angle with compass and straightedge or ruler Printable strp-by-step instructions for drawing a triangle given three sides with compass and straightedge or ruler Printable instructions for constructing a square inscribed in a circle 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 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 tangents to two given circles. Printable step-by-step instructions for constructing a triangle given two angles and non-included side (AAS) with compass and straightedge or ruler Printable step-by-step instructions for drawing a triangle given two angles and included side 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 finding the orthocenter of a triangle 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 90 degree angle 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 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 center of a circle with any right angled object Printable instructions for drawing a 60 degree angle with compass and straightedge or ruler Printable instructions for constructing a pentagon inscribed in a given circle. Printable step-by-step instructions for adding two angles with compass and straightedge or ruler Printable step-by-step instructions for constructing a segment which is the sum of given segments with compass and straightedge or ruler Printable instructions for finding the altitude of an acute triangle with compass and straightedge or ruler Constructing a circle through 3 given points Printable instructions for drawing a 30-60-90 triangle with compass and straightedge or ruler Printable instructions for drawing a 30 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 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 an ellipse with string and pins 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 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 constructing a hexagon given one side. Printable instructions for finding the incenter 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 constructing a hexagon inscribed in a given circle. Printable instructions for copying a line segment with compass and straightedge or ruler Printable instructions for copying an angle with compass and straightedge or ruler Printable instructions for copying a 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 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 dividing a line segment into equal parts with compass and straightedge or ruler
Prism
Relation of a cylinder to a prism Surface area of a prism Prism definition Volume of a triangular prism
Privacy
Privacy policy
Problems
Trigonometry problems - Slant distance The 'Three Satellites' triangle math problem The 'Many Triangles' math problem #1 The 'Ball Box' math problem Many triangles II answer Many triangles answer Trigonometry problems - Slope angle The 'Many Triangles' math problem #2
Product
Calculus - Product and Quotient of Functions Product definition
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 Protractor - math word definition How to use a protractor to measure angles
Ptolemy
Diagonals of an inscribed quadrilateral Ptolemy
Pyramid
Oblique versus right pyramid - Math Open Reference Volume of a pyramid Comparison of a cone and pyramid Surface area of a pyramid Pyramid - Math word definition
Pythagoras
Solving Triangles using Trigonometry 45-45-90 triangle definition Solving Triangles Trigonometry introduction - math word definition Distance between points Pythagorean triples triangle definition Pythagorean Theorem Proof 3:4:5 triangle definition Pythagorean Theorem - math word definition 30-60-90 triangle definition Biography of Pythagoras - math word definition
Pythagorean
Pythagorean Theorem - math word definition Pythagorean triples triangle definition Pythagorean Theorem Proof