6-6 Triangles

There are 180 degrees in a trianlge.

A triangle contains 3 sides, 3 angles, and 3 vertices.

Triangles may be classified by angle measure:

An ACUTE triangle contains 3 acute angles.

An OBTUSE triangle contains 1 obtuse angle.

A RIGHT triangle contains1 right angle.

Triangles may also be classified by side length:

A SCALENE triangle has no equal sides.

An ISOSCELES triangle has 2 equal sides (and 2 equal angles)

An EQUILATERAL triangle has 3 equal sides (and 3 equal angles which each = 60 degrees)

Please familiarize yourself with the different triangles based on ANGLES and SIDES!