Home > CCG > Chapter 9 > Lesson 9.2.3 > Problem9-92

9-92.

Examine the diagram at right. Given that $ΔABC ≅ ΔEDF$, prove that $ΔDBG$ is isosceles. Use any format of proof that you prefer.

If $ΔABC≅ΔEDF$, then $∠EDF≅∠ABC$.