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In the given figure, $PQ$ is a tangent to the circle with centre $O$. If $\angle OPQ = x$, $\angle POQ = y$, then $x + y$ is :

- (a)$45^\circ$
- (b)$90^\circ$
- (c)$60^\circ$
- (d)$180^\circ$
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Sol. (b) $90^\circ$
CBSE Class 10 Maths PYQ · Circles · Find angles · 1 Mark · March 2023 · Standard
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