Respuesta :
To justify that triangle CZB = triangle CXA, we have to use the AAS congruence theorem.
If two angles and a non-included side of one triangle are congruent to the corresponding angles and side of another triangle, then the triangles are congruent.
If two angles and a non-included side of one triangle are congruent to the corresponding angles and side of another triangle, then the triangles are congruent.