What is the contrapositive of the following statement?
If two triangles are congruent, then their corresponding angles are congruent.
If two triangles are congruent, then their corresponding angles are congruent.
If two triangles are not congruent, then their corresponding angles are not congruent.
If the corresponding angles of two triangles are not congruent, then the triangles are not congruent.
If the corresponding angles of two triangles are congruent, then the triangles are congruent.