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Three circles each of radius 3.5 cm touc...

Three circles each of radius 3.5 cm touch one another. The area subtended between them is

A

`6 (sqrt3 pi -2)` square units

B

`6 (2pi - sqrt3)` square units

C

`(49)/(8) (3 sqrt3- pi)` square units

D

`(49)/(8) (sqrt3 - 3)` square units

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