In a quadrilateral PQRS, PQ || RS. Also, Angle P:angle S = 5:7 and angle Q: angle
R = 7:5. Find the
measure of each interior angle of the quadrilateral.
Pls help
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It's very simple by using congruency.
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The sum of exterior angles, taken in an order, of a polygon is 360°. ... Five measurements can determine a quadrilateral uniquely. ... The angles P , Q, R and S of a quadrilateral are in the ratio 1:3:7: 9.
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