Question

Triangles abc and def are congruent which angle must be congruent to∠a ?

Answer 1

In congruent triangles, corresponding angles are congruent. Therefore, angle A must be congruent to angle D.

Step-by-step explanation:

In congruent triangles, corresponding angles are congruent.

Therefore, if triangles ABC and DEF are congruent, angle A must be congruent to angle D.