Three circles of radius 63 cm each are placed in such a way that each circle touches the other two. What is the area of the portion enclosed by the three circles ? (in sq. cm)

Options

A. `7938sqrt()3 - 4158`
B. `3969 sqrt()3 - 4158`
C. `7938sqrt()3 - 6237`
D. `3669sqrt()3 - 6237`

Answer

D