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Please Help 

AB = x + 15
AD = 2x + 18
BC = 3 - x
CD = 3x + 25

Quadrilateral ABCD is a parallelogram if both pairs of opposite sides are congruent. Prove that Quadrilateral ABCD is a parallelogram by finding the value of x.

A) x = 3
B) x = -5
C) x = -11
D) x = 11/2

Respuesta :

it would be -5.  you will get the answer by making the opposite sides equal.
ab=cd and bc=ad
TheOneandOnly003

-5, i just took the test. I was plugging them in but that didnt seem to work lol.

-Steel jelly

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