Find the area of shaded portion given th...

Find the area of shaded portion given that the circles with centers O and O' are 6 cm and 18 cm in diameter respectively and ACB is a semi circle.

A

`54 pi cm^(2)`

B

`27 pi cm^(2)`

C

`36 pi cm^(2)`

D

`18 pi cm^(2)`

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The correct Answer is:

B

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