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2 angles of a quadrilateral are 55 degree and 75 degree and other two angles are equal . what is the measures of equal angles. |
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Answer» LET the 2 equal angles be x. According to question. 2x + 55 + 75 = 360 ( sum of all the angles of quad. is 360 ) 2x + 130 = 360 2x =360 - 130 2x= 230 x = 230 ÷ 2 x = 115 degree |
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