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Triangles - Equilateral, Isosceles and Scalene - Math is Fun


Equilateral, Isosceles and Scalene. There are three special names given to triangles that tell how many sides (or angles) are equal. There can be 3, 2 or no ...

Triangles - Fact Monster


Triangles. A triangle has three sides and is made of straight lines. A triangle may be classified by how many of its sides are of equal length. Or, it may be ...

Triangle Classification


Triangle Classification: as regard the sides and the angles. Inclusive and exclusive definitions.

Classifying triangles | Triangle types | Triangles | Geometry | Khan ...


What I want to do in this video is talk about the two main ways that triangles are categorized. The first way is based on whether or not the triangle has equal sides  ...

Triangle -- from Wolfram MathWorld


A triangle is a 3-sided polygon sometimes (but not very commonly) called the trigon. Every triangle has three sides and three angles, some of which may be the  ...

Definition of a Triangle


Examples of Triangles. A triangle is a special kind of shape. What do you think makes a shape a triangle? Be sure to think about this question before going on ...

Triangle definition and properties - Math Open Reference


Altitude, The altitude of a triangle is the perpendicular from the base to the opposite vertex. (The base may need to be extended). Since there are three possible ...

Triangle Types and Classifications: Isosceles, Equilateral, Obtuse ...


How Triangles are classifed as well as defining traits of each type of type.

Types of Triangles - BrainPOP


In this educational animated movie about Math learn about equilateral, isosceles, scalene, acute, obtuse, right, and the hypotenuse.

Triangle Splat - Geometry: Math Games - Sheppard Software


Learn about triangles the fun way in this Triangle Shoot Geometry Math Game.