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Find the value of x that makes ABCD a parallelogram

help plz

Find the value of x that makes ABCD a parallelogram help plz-example-1

1 Answer

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The angles of a parallelogram add up to 360°
and the opposite angles are equal
so you make the equation: 150+150+5x+5x=360
you solve for x
10x=60
x=6
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