In a parallelogram ABCD, the measure of Angle A exceeds thrice the measure of angle B by 20° . Find the measure angle A and angle B.
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in parallelogram adjacent angles are supplementary
so A + B = 180°
by Q , A + 20° = 3B
solving we get
A = 130°
B = 50°
so A + B = 180°
by Q , A + 20° = 3B
solving we get
A = 130°
B = 50°
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