Answer: With that assumption, we have a square, whose area is given by the formula Asquare=a2, and two semicircles. The distance D is simply the square's diagonal. The area of each semicircle is given by the formula Asemicircle=π*r2/2. then you will get your answer!
There is so solution to this problem
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The correct answer is option A
Instead of the division sign, it suppose to be multiply.
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