Three circle of radius 3.5 cm are placed in such a way that each circle touches

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Three circle of radius 3.5 cm are placed in such a way that each circle touches the other two. The area of the portion enclosed by the circles is :

Options:

A . 1.967 cm2

B . 1.975 cm2

C . 19.67 cm2

D . 21.21 cm2

Answer: Option A

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