SUBJECT INDEX

p

Pair

Linear Pair - math word definition
Paper

Print blank graph paper
Parabola

Parabola definition (conic section) Math Open Reference
Quadratic curve and graph display (standard form)- Math Open Reference
Quadratic curve and graph display (vertex form)
Parabola - math word definition
Parabola definition (quadratic equation ) Math Open Reference
Parabola definition (focus / directrix form)
Derivation of the equation of a parabola
Parallel

Parallel lines - math word definition
Parallel lines. (Coordinate Geometry)
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 a parallel through a point with compass and straightedge or ruler
Transversal - math word definition
Parallelogram

Parallelogram and its properties. (Coordinate Geometry)
Perimeter of a parallelogram
Parallelogram - math word definition
Derivation of the formula for the area of a parallelogram
Interior angles of a parallelogram
Parallelogram inscribed in a quadrilateral
Area of a parallelogram. Definition and formula
Parallelogram diagonals bisect each other
Parameter

Parametric Equation of a Circle
Parametric Equation of an Ellipse
Parametric

Parametric Equation of an Ellipse
Parametric
Parametric Equation of a Circle
Calculus - Parametric Derivatives
Part

Dividing a line segment into N equal parts with compass and straightedge or ruler
Parts of a circle - Pictorial index
Perpendicular bisector definition
Partial

Volume of a partially filled cylinder with calculator
Parts

Triangle similarity, ratios of parts
Pentagon

Constructing a regular pentagon inscribed in a circle
Pentagon - math word definition
Percent

Calculating percentages
Percent mistakes
Percent
Perimeter

Perimeter of a triangle
Trapezoid area and perimeter. (Coordinate Geometry)
Perimeter of a rectangle with calculator- Math Open Reference
Circumference (perimeter) of a circle with calculator
Perimeter of an Ellipse
Perimeter of a trapezoid
Relationship of area and perimeter of a triangle
Perimeter of a rhombus
Perimeter of a square with calculator- Math Open Reference
Area and perimeter of a rectangle. (Coordinate Geometry)
Perimeter of a kite
Perimeter
Perimeter of a polygon
Perimeter of a parallelogram
Area and Perimeter of a Square. (Coordinate Geometry)
Period

Sine waves- math word definition - Trigonometry
Peripheral

Arc Peripheral Angle
Perpendicular

Perpendicular lines. (Coordinate Geometry)
Perpendicular - math word definition
How to construct (draw) a perpendicular at the end of a ray with compass and straightedge or ruler
Transversal - math word definition
Perpendicular bisector definition
How to construct (draw) a perpendicular at a point on a line
How to construct (draw) a perpendicular from a line through an external point
Pi

Pi - math word definition
Area enclosed by an ellipse
Area of an annulus
Area enclosed by a circle with calculator
Derivation of the formula for the circumference of a circle
Plane

The Coordinate Plane
Plane - math word definition
Calculus - Motion on a Plane
Coplanar - Math word definition
Introduction to plane geometry
Introduction to Coordinate Geometry
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

Equidistant - math word definition
Distance from a point to a line using a formula
Calculus - Derivative at a Point
Distance from a point to a vertical or horizontal line
Collinear - Math word definition
Points of concurrency
Tangent to a circle definition
Tangent to a circle definition
How to construct (draw) a perpendicular from a line through an external point
How to construct (draw) a perpendicular at a point on a line
Midpoint - math word definition
Point - math word definition
How to construct a tangent to a circle at a point
Distance from a point to a line using two line equations
Distance from a point to a line
Coordinates of a point
Introduction to Coordinate Geometry
Distance from a point to a line using trigonometry
Equation of a line - point - slope form. (Coordinate Geometry)
Distance between points
Locus - math word definition
Reflection - a mirror image of a point
Polar

Calculus - Polar Area
Calculus - Polar Derivatives
Policy

Privacy policy
Polygon

Concave Polygon Definition
Convex Polygon Definition
Polygon diagonals
Inscribed (cyclic) quadrilateral
Exterior Angles - math word definition
Regular polygon area formula
Tetragon - math word definition
Similar polygons and triangles defined
Central Angle of a Polygon
Triangles of a Polygon
Sides of a Polygon
Derivation of the formula for the area of a regular polygon
Regular Polygon - math word definition
Incenter of a regular polygon
Radius of a Regular Polygon
Perimeter of a polygon
Area of an Irregular Polygon
Irregular polygon - math word definition
Apothem of a polygon
Incircle of a Polygon
Circumcircle of a Regular Polygon
Polygon Interior Angles
Center of a Polygon
Hexagon - math word definition
Congruent Polygons- Math Open Reference
Congruent Polygon Tests- Math Open Reference
Coordinates of the vertices of a regular polygon with calculator
Area of any polygon (Coordinate Geometry)
Area of a polygon algorithm
Area of a polygon calculator
Interior / exterior angles of a polygon
Decagon - math word definition
Dodecagon - math word definition
Heptagon - math word definition
Undecagon - math word definition
Polygon - math word definition
Nonagon - math word definition
Octagon - math word definition
Pentagon - math word definition
Polyhedron

Icosahedron - A regular polyhedron with 20 faces - One of the platonic solids
Pyramid - Math word definition
Platonic solid
Oblique versus right pyramid - Math Open Reference
Definition of the math word face
Polyhedron
Definition of the math word edge
Polynomial

Root (of a polynomial) - math word definition
Position

Standard position of an angle definition - Trigonometry
Calculus - Equations of Motion
Positive

Positive number definition - math word definition
Negative number definition - math word definition
Sign- Math Open Reference
Number
Power

Calculus - Power Series
Calculus - Power Functions
Prime

Number
Prime number

Composite number - math word definition
Prime number - math word definition
Print

Print blank graph paper
Capturing parts of the screen as an image
Printable

Printable instructions for constructing the supplementary angle to a given angle with compass and straightedge or ruler
Printable instructions for finding the midsegment of a triangle with compass and straightedge or ruler
Printable instructions for finding the orthocenter of a triangle with compass and straightedge or ruler
Printable instructions for drawing parallel through a point with compass and straightedge or ruler
Printable instructions for drawing parallel through a point (rhombus method)
Printable instructions for drawing parallel through a point with compass and straightedge
Printable instructions for drawing a perpendicular at the end of a ray with compass and straightedge or ruler
Printable instructions for drawing a perpendicular to a line through a point with compass and straightedge or ruler
Printable instructions for drawing a perpendicular at a point on a line with compass and straightedge or ruler
Printable instructions for constructing a right triangle with given leg lengths 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 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 constructing one of the two internal tangents to two given circles.
Printable step-by-step instructions for drawing a triangle given two angles and included side with compass and straightedge or ruler
Printable instructions for constructing a right triangle with given angle and hypotenuse with compass and straightedge or ruler
Printable instructions for 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 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 step-by-step instructions for drawing a triangle given three sides 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 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 an isosceles triangle given a side and apex angle
Printable instructions for drawing a 60 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 center of a circle with any right angled object
Printable step-by-step instructions for drawing an isosceles triangle with compass and straightedge or ruler - II
Printable instructions for finding the centroid 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 drawing a 45 degree angle with compass and straightedge or ruler
Printable instructions for constructing the complementary angle to a given angle with compass and straightedge or ruler
Printable instructions for 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 finding the altitude of an acute triangle with compass and straightedge or ruler
Printable step-by-step instructions for constructing a segment which is the sum of given segments with compass and straightedge or ruler
Printable step-by-step instructions for adding two angles with compass and straightedge or ruler
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 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
Printable instructions for copying an angle 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 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 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 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 copying a line segment 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
Printable instructions for drawing an ellipse with string and pins
Printable instructions for constructing a square of a given side length 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
Prism

Volume of a triangular prism
Relation of a cylinder to a prism
Prism definition
Surface area of a prism
Privacy

Privacy policy
Problems

The 'Ball Box' math problem
The 'Many Triangles' math problem #1
Many triangles answer
Trigonometry problems - Slant distance
Trigonometry problems - Slope angle
Many triangles II answer
The 'Three Satellites' triangle math problem
The 'Many Triangles' math problem #2
Product

Calculus - Product and Quotient of Functions
Product definition
Proof

Pythagorean Theorem Proof
Proof of the Law of Cosines
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
Volume of a pyramid
Oblique versus right pyramid - Math Open Reference
Pyramid - Math word definition
Comparison of a cone and pyramid
Pythagoras

Biography of Pythagoras - math word definition
30-60-90 triangle definition
3:4:5 triangle definition
45-45-90 triangle definition
Pythagorean Theorem - math word definition
Pythagorean triples triangle definition
Solving Triangles
Trigonometry introduction - math word definition
Pythagorean Theorem Proof
Distance between points
Solving Triangles using Trigonometry
Pythagorean

Pythagorean Theorem Proof
Pythagorean triples triangle definition
Pythagorean Theorem - math word definition
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