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M is the center of the circle. $l(\text{QS})=10 \sqrt{2},l (\text{PR}) = l(\text{RS})$ and $\text{PR} \| \text{QS}$. Find the area of the shaded region. (use $\pi=3$)

1. $100$ sq. units
2. $114$ sq. units
3. $50$ sq. units
4. $200$ sq. units

1
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