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Question

In the given figure, lines PQ and RS intersect at point O. If 1=53o, find all other angles.
1334394_baad3d2aaf0d42c79f7e5cedc9df8ef5.png

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Solution

Since PQ and RS are two lines intersecting each other, thus
1=3(Vertically opposite angle)
2=4(Vertically opposite angle)
Now,
1=53°=3
Also,
1+2=180°(Linear pair of angles)
2=180°53°=127°
4=2=127°

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