two angles of quadrilateral are 68° and 76° if the other two angles are in the ratio 5:7, find the measure of each of them
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total angles in quadrilateral =360
68+76+5x+7x=360
144+12x=360
12x=360-144
12x= 216
x= 18
5x= 5(18)=90
7x= 7(18)= 126
68+76+5x+7x=360
144+12x=360
12x=360-144
12x= 216
x= 18
5x= 5(18)=90
7x= 7(18)= 126
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