If quadrilateral ABCD is a parallelogram, then which relation must be true? A. m∠A = m∠B B.m∠B = m∠D C. AB = DA D. AB = BC - QAmmunity.org

If quadrilateral ABCD is a parallelogram, then which relation must be true? A. m∠A = m∠B B.m∠B = m∠D C. AB = DA D. AB = BC

asked Apr 23, 2017 224k views

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