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Tangents PQ and PR are drawn to a circle...

Tangents PQ and PR are drawn to a circle from an external point P.If PQ=9 cm and `anglePQR=60^(@)`,then the length of the chord QR Is:

A

4.5 cm

B

6 cm

C

9cm

D

18 cm

Text Solution

Verified by Experts

The correct Answer is:
C
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