In the adjoining figure ABCD is a parallelogram. Find the value of x and y .
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Answer:
x = 15 and y = 6
Step-by-step explanation:
opposite sides of parallelogram are congruent .
= 5y -4 = 3y + 8
= 5y - 3y = 8 +4
= 2y = 12
= y = 6
adjacent angles are supplementary
= 5x + 7x = 180°
= 12x = 180 °
= x = 15
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