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In the given figure, x:y=3:2 & y+z=100° & AB||CD. Find a |
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Answer» 80° Step-by-step explanation: AB // CD a = p ( alternate angles ) p, y and z are angles on a straight line therefore, p+y+z = 180 p + 100 = 180 ( y+z = 100 GIVEN) p = 180 - 100 p = 80° p = a = 80° ( proved above ) a = 80° ANSWER
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