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Plz tell I will mark as brainliest |
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Answer» angle ABC + angle ADC = 180 y + 10 + 5x + 5 = 180 5x + y + 15 = 180 5x + y = 165 -----------------(i) angle BCD + angle ADC = 180 4x - 4 + 2y + 4 = 180 4x + 2y = 180 --------------------(ii) Subtracting EQ. (ii) from 2× e(i) 2(5x + y) - 4x + 2y = 330 - 180 10x + 2y - 4x + 2y = 150 6x = 150 x = 25 Substituting VALUE of x in eq.(i) we get 5 × 25 + y = 165 125 + y = 165 y = 40 Therefore x= 25 and y = 40 |
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