A) \[(400-100\pi )\]
B) \[(360-100\pi )\]
C) \[(231-100\pi )\]
D) \[(400-50\pi )\]
Correct Answer: A
Solution :
(a): Find the area of the square formed by joining the centre of all outer circles. The required area = Area of the square \[-16\text{ }\left( \frac{1}{4}\text{area of circle} \right)\]
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