PQRS is a parallelogram. The adjacent angles are in the ratio 2 : 7 .State all the angles
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let adjacent angles P=2x & Q=7x
2x+7x=180
x=20
angle P=40 angleQ=140
angle R=angleP =40
angle S=angle Q=140
2x+7x=180
x=20
angle P=40 angleQ=140
angle R=angleP =40
angle S=angle Q=140
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