M5 Home Page

Triangles
Triangles in General

Fact Monster	Triangles
Interactive Mathematics	Triangles
Interactive Mathematics	Angle Sum of a Triangle
Interactive Mathematics	Exterior Angle of a Triangle
Pink Monkey	Triangles
Purplemath	Basic Triangle Values

Congruent Triangles

Math Reference

Congruent Triangles

Triangles - Area and Perimeter

Pink Monkey

Perimeter and Area: Triangle

Right Triangles
Other Kinds of Triangles

Math Reference

Isosceles and Equilateral Triangles

Pythagorean Theorem in General

Math Lair

The Pythagorean Theorem

Pythagorean Theorem - Proofs
Pythagorean Theorem - Other Specific Topics

Purplemath

The Distance Formula

Triangles and Other Shapes

Coolmath	Interior Angles
Coolmath	What Does Congruent Mean?
Purplemath	Geometric Formulae Review

Proofs Involving Triangles
Interactive Demonstrations

Cut the Knot	Pythagorean Theorem
Cut the Knot	Morley's Miracle

Online Practice - Area

AAA Math	Area of a Triangle
MathGuide	Quizmaster: Area of a Triangle

Online Practice - Congruent Triangles
Online Practice

MathGuide	Quizmaster: Finding the Hypotenuse
MathGuide	Quizmaster: Finding the Leg

Online Practice - Triangles and Other Shapes

AAA Math	Geometry
Quia	Geometric Terms
Quia	Triangles and Polygons

Online Practice - Proofs Involving Triangles
Worksheets

UIOGD