In quadrilateral PQRS if angle P =60°and angleQ : angle R : angle S =2:3:7 then find the value of angle S
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Let the angles q, r and s are 2x, 3x and 7x respectively. The sum of interior angles of a quadrilateral is 360 degree. The value of x is 25. Therefore, the measure of angle s is 175.
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S= 50 degree
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