Answer:- AAS congruence theorem.
Explanation:-
- A theorem is a statement that can be proven by mathematical operations and arguments.
- A postulate is statement which is true without any formal proof.
In the given question , there is only one theorem i.e. AAS theorem and all the remaining options (SSS ,SAS , ASA ) are postulate not theorem.
Therefore, AAS congruence theorem is the right answer.(as in the given picture both triangles have two equal angles and one side )
The AAS (angle-angle-side) theorem states that if two angles and any side of one triangle are equal to two angles and any side of another triangle, then the triangles are congruent.