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In a circle, PQ and RS are two diameters...

In a circle, PQ and RS are two diameters that are perpendicular to each other. Find the length of chord PR.
एक वृत्त में, PQ तथा RS दो व्यास हैं जो एक-दूसरे पर लम्ब हैं। जीवा PR की लंबाई ज्ञात कीजिए।

A

`(PQ)/2`

B

`sqrt2 PQ`

C

2PQ

D

`(PQ)/sqrt2`

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