Which sentence fully illustrates that polygon ABCD is congruent to polygon PQRS? A. Corresponding pairs of angles on ABCD and PQRS are equal in measure. / B. Corresponding pairs of sides on ABCD and PQRS are equal in length./ C. Polygon ABCD maps to polygon PQRS through a reflection only. / D. Polygon ABCD maps to polygon PQRS through a translation only.