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the opposite angles in a parallelogram are equal
so , the angle opposite to 40°=40°
the measure of remaining two equal angles=(360-80)/2=280/2=140°
so , the angle opposite to 40°=40°
the measure of remaining two equal angles=(360-80)/2=280/2=140°
siddhartharao77:
360-80 = 280.. 280/2 = 140
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