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ABCD is a parallelogram. Find the values of x and y. Solve for the value of z, if z = x - y.

 

 Aug 11, 2020
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We have x+30+x-30=180 which becomes 2x=180 so x=90 and x+30=y+20 so x+10=y and y=100 so z=-10 since 90-100=-10 so we have \(\boxed{z=-10}\)

 Aug 12, 2020

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