The adjacent angle of a parallelogram supplementary
Find the all the angle of parallelogram angle A=x, angle B = 2x-30
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Answer:
from the cocept
A +B = 180°
x + 2x - 30 = 180
3x - 30 = 180
3x = 180 + 30
3x = 210°
x = 210/3 = 70°
required angles are 70° , 110° , 70° and 110°
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