If two angles of one triangle are congruent to two angles of another triangle, then the third angles are also congruent.

Given

Triangles ABC, EFG


Prove


Proof
1:
- Given

2: - From 1

3:
- In a triangle, the sum of the measures of the interior angles is 180°

4: - From 3

5: - substitute 2 in 4

6: - From 5