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In the given figure, (not to scale), the points M,R, N,S and Q are concylic. Find `anglePQR+angleOPR + angleNMS + angleOSN`, if O is the center of the circle.
image
A. `90^(@)`
B. `180^(@)`
C. `270^(@)`
D. Data is inadequate.

1 Answer

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Correct Answer - B
i)` anglePQR=1/2(anglePOR), angleNMS = 1/2(angleNOS)`
ii) If `angleOPR=x`, then `angleROP=180^(@)-2x`.

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