the two angles ofa quardilateral are 65° and 55° . If the measures of other two angles are in the ratio 5:7 , then find the measure of each angle.
Anonymous:
100° , 140° , 55° and 65°
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Answer:
asp of a quadrilateral =65+55+5x+7x
360=120+12x
240=12x
240/12=x
x=20°
∴the other 2 angles are 100°and 140°
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