Mathematics, 19.12.2019 20:31 aherrerasmile1

Ab = 6x dc = x + 15 ad = 9 bc = 3y quadrilateral abcd is a parallelogram if both pairs of opposite sides are congruent. show that quadrilateral abcd is a parallelogram by finding the lengths of the opposite side pairs. a) 9, 6 b) 12, 9 c) 18, 9 d) 18, 12

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Ab = 6x dc = x + 15 ad = 9 bc = 3y quadrilateral abcd is a parallelogram if both pairs of opposite s...