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# GRE- General Math Questions Set-1

:: Topics ::

 1 In the given figure ABCD is a square and C is the center of the circle. If the area of square is 8, what is the area of circle. A. 64π B. 32π C. 8π√2 D. 8π E. 16π
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Explanation

Area of square = 8

so one side of square = √area = √8 = 2√2

If one side of a square is a then diagonal would be a√2 = 2√2*√2 = 4

Now we know that diagonal of the square is nothing but the radius of the circle so area of circle as per formula π*(radius)2 = π * 42 = 16π

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