Which statement is true about the aaa theorem and the sss postulate? . a. aaa theorem describes congruence of all three sides in corresponding triangles. sss postulate describes congruence of all three angles in corresponding triangles.. b. aaa theorem describes congruence of two angles and one side in corresponding triangles. sss postulate describes congruence of two sides and one angle in corresponding triangles.. c. aaa theorem describes congruence of all three angles in corresponding triangles. sss postulate describes congruence of all three sides in corresponding triangles.