In a parallelogram ABCD, If ∠A=(3x +12)° and ∠B=(2x-32)° Find the value of x and measure of ∠A
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Answer:
adjacent angles of a parallelogram are supplementary.
3x + 12 + 2x -32 = 180
5x -20 = 180
5x = 200
x = 40°
Angle A = 3x + 12
= 3(40) + 12
= 132°
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