### Home > INT2 > Chapter 8 > Lesson 8.2.2 > Problem8-42

8-42.

Examine the diagram at right. Given that $∆ABC ≅ ∆EDF$, is $∆DBG$ is isosceles? Prove your answer. Use any format of proof that you prefer. Homework Help ✎

If $ΔABC ≅ ΔEDF$, then $∠EDF ≅ ∠ABC$.