A D AB = 44 + 3x BC = 33 + y CD = 64 - x AD = 48 - 2y Quadrilateral ABCD is a parallelogram if both pairs of opposite sides are congruent. Prove that quadrilateral ABCD is a parallelogram by finding the lengths (in centimeters) of the opposite side pairs? A) 51 cm, 30 cm B) 55 cm, 33 cm C) 59 cm, 38 cm D) 64 cm, 42 cm

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