0 votes

The area of the shaded region in the following figure (all the arcs are circular) is

- $\pi$
- $2 \pi$
- $3 \pi$
- $\frac{9}{8} \pi$

3 votes

Correct Answer - **Option (B)**

It's like semicircle of radius 1 unit is cut from the semicircle of radius 2 units and joined upside down to the semicircle of 2 units. So, the shaded area will be area of the semicircle with 2 units.

Hence, Shaded Area $ = \frac{1}{2}\cdot\pi \cdot (2^2) = 2 \pi$