the opposite angle of a parallelogram ABCD and give as A= 3 X + 20 degree and c 2 X + 70 degree find the measure of each angle
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In a parallelogram,opposite angles are equal.
So,angle A=angle C
3x+20=2x+70
3x-2x=70-20
x=50
angle A=angle C=3(50)+20=150+20=170 degrees
angle B=angle D=180-170=10 degrees
So,angle A=angle C
3x+20=2x+70
3x-2x=70-20
x=50
angle A=angle C=3(50)+20=150+20=170 degrees
angle B=angle D=180-170=10 degrees
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