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PARALLELOGRAMS. HELP PLEASE. 20 POINTS.

PARALLELOGRAMS. HELP PLEASE. 20 POINTS.-example-1
User Dedek
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X is equal to 10.

Hope this helps!
User Thijsfranck
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X is equal to 10 so B and C’s angles are both 126 degrees. The sum of interior angles of a parallelogram is 360. So 54+126+126+3y=360. Therefore y equals 18.
User Tsounabe
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