AB = x + 2
DC = 22 − x
AD = 6 + y
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.

Respuesta :

Answer:

12,9

Step-by-step explanation:

Answer is 12/9. I had this question on USATestPrep.

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