Geometry

>Triangles <

 

Types of Triangles

Triangles are 3 sided polygons.

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 classified by what kind of angles it has.

The three angles always add to 180°

Types of Triangles by Length    Equilateral, Isosceles and Scalene

Types of Triangles by Length
 

Types of Triangle by Angle - Acute, Obtuse,   Right Triangle, 
and Equiangular Triangle

Types of Triangle by Angle
 

A triangle has three sides and three angles.

The three angles always add to 180°