A) \[\text{154 c}{{\text{m}}^{\text{2}}}\]
B) \[\text{3}0\text{8 c}{{\text{m}}^{\text{2}}}\]
C) \[\text{616 c}{{\text{m}}^{\text{2}}}\]
D) \[\text{77 c}{{\text{m}}^{\text{2}}}\]
Correct Answer: C
Solution :
| [c] Area of the shaded portion region |
| =Area of four quadrants with centres A, B, C and D |
| \[=4\times \frac{1}{4}\pi {{r}^{2}}=\pi {{r}^{2}}\] |
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