# Quadrilateral abcd is a parallelogram if one pair of opposite sides is both equal and parallel. prove

###### Question:

Quadrilateral abcd is a parallelogram if one pair of opposite sides is both equal and parallel. prove that quadrilateral abcd is a parallelogram by finding the value of x. a) x = -3 b) x = -5 c) x = -7 d) x = - 17 3

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