three angles fo a quadrilateral are equal .the 4th angle twice any one of the angles find the measure of each angle
hammusandhu123pbombq:
First three angles are 72and forth is 144
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angle A = 72
angle B = 72
angle C = 72
angle D = 144
angle B = 72
angle C = 72
angle D = 144
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angle A = B = C and angle D = 2×A = 2×B = 2×C
we know that sum of all angles of quadrilateral is 360°
so,A+A+A+2A=360°
A=72°
so, angle B and angle C =72°
and angle D= 2×72=144
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I have given incorrect answer.
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