Question

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Answer 1

The diagonals of a parallelogram bisect each other.

DO=OB and AO = OC

DO=OB

2y+13=5y+4

2y-5y=4-13

-3y=-9

y=-9/-3

y=3

AO = OC

x+8=16-x

x+x=16-8

2x=8

x=8/2

x=4