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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

`75 3/7cm`

B

`150 6/7`cm

C

`37 5/7 cm`

D

`18 6/7cm`

Text Solution

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The correct Answer is:
D
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