Is triangle pqr congruent to triangle acb? if so, which postulate can be used to prove the congruence? a) no, the triangles are not congruent. eliminate b) yes, the congruence can be proved using the asa postulate. c) yes, the congruence can be proved using the sas postulate. d) yes, the congruence can be proved using the sss postulate. 14)