Bunuel wrote:

If each curved portion of the boundary of the figure above is formed from the circumference of two semicircles, each with a radius of 2, and each of the parallel sides has length 4, what is the area of the shaded figure?

A. 16

B. 32

C. \(16-8\pi\)

D. \(32-8\pi\)

E. \(32-4\pi\)

Ans: B

Solution: If we shift these semicircle, which are out ward dense, to the blank space of the same size in between parallel lines we will get one big rectangle. so practically we need to find the area of the rectangle only.

which is 8x4= 32 [Ans]

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