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Three circles of equal radius 'a' cm tou...

Three circles of equal radius 'a' cm touch each other. The area of of the shaded region is :

A

`((sqrt(3)+pi)/(2))a^(2)` sq. Cm

B

`((6sqrt(3)-pi)/(2))a^(2)` sq. Cm

C

`(sqrt(3)-pi)a^(2)` sq.cm

D

`((2sqrt(3)-pi)/(2))a^(2)` sq. Cm

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