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Three congruent circles each of radius 4...

Three congruent circles each of radius 4 cm touch one another. What is the area (in `cm)^(2)` of the portion included between them?

A

`8 pi`

B

`16 sqrt3 - 4 pi`

C

`16 sqrt3 - 4 pi`

D

`16 sqrt3 - 2pi`

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