Saturday, November 5, 2016

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

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

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