Question

Which postulate or theorem proves that these two triangles are
congruent?

Answer 1

AAS Congruence Theorem

Explanation:

I see 2 angles of one triangle shown to be congruent to 2 angles of the other triangle. After the two angles, there is a side in common to both triangles which is congruent to itself. That makes angle-angle-side.

Answer: AAS Congruent Theorem