Find the measure of ∠fde. assume △def ≅ △ghj.

47 since they are two congruent triangle. The corresponding sides and angles are going to be congruent as well.

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .

Idon’t have want a lot more