In a quadrilateral ABCD, ∠A=35°, ∠B=65° and ∠C=70°. Find the measure of ∠D.
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190 degree is the answer
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The sum of angles in a quadrilateral is 360 degrees so .... the sun of 3 angles is 170 and when that is subtracted from 360 the answer is 190 degrees.
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