PR is tangent to a circle, with centre O and radius 4 cm, at point Q. – McqOptions

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1.	PR is tangent to a circle, with centre O and radius 4 cm, at point Q. If ∠POR=90°, OR=5 cm and OP= 20/3 cm, then in cm, the length of PR is :
A.	3
B.	16/3
C.	23/3
D.	25/3
Answer» E.

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