, 05.08.2022sanchez7489

# GO Tweaks Menu Search Selection Guess this Toggle Console Proving a uadrilateral is a Parallelogram Assignment Active Determining Side Lengths in a Parallelogram In quadrilateral ABCD, AD 1, BC. 3x+7 D A B 5x-9 What must the length of segment AD be for the quadrilateral to be a parallelogram? O 8 units O 16 units O 31 units O 62 units famouzgal montgomerykarloxc24x

just needed some points but try socratic jackolantern1437

31 units

Step-by-step explanation:

If a quadrilateral has a pair of sides that is both parallel and congruent, then the quadrilateral is a parallelogram.

Sides AD and BC are given as parallel.

If they are also congruent, then quadrilateral ABCD is a parallelogram.

3x + 7 = 5x - 9

-2x = -16

x = 8

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