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PS is a diameter of a circle of radius 6...

PS is a diameter of a circle of radius 6 cm. In the diameter PS, Q and R are two points such that PQ, QR and RS are all equal. Semi-circles are drawn on PQ and QS as diameter (as shown in the figure). The perimeter of shaded portion is :

A

`15(6)/(7) cm`

B

`75 (3)/(7) cm`

C

`37(5)/(7) cm`

D

`18(6)/(7) cm`

Text Solution

Verified by Experts

The correct Answer is:
D
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