Isosceles Triangle Theorem

Uses:1. prove that two angles are congruent in one triangle.2. prove that two triangles are congruent based on their sides and angles .

Isosocele Triangle Theorem:If two sides of a triangle are congruent, the angles opposite them are congruent.

Isosceles Triangle TheoremBy: Katelyn Lang

Proof of the Isosceles Triangle Theorem

Example:

Fun triangle song!