The area of the circle is 616 cm2 Its radius is equal to the side of a square The area of the square...........

Quantitative Aptitude ( CCS) Mensuration 2D

The area of the circle is 616 cm². Its radius is equal to the side of a square. The area of the square is approximately what percentage of the area of the circle?

32%

38.5%

36%

42%

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Explanation:

Let's take the radius of the circle is r.
πr² = 616
or, r² = 616 /22 x 7
∴ r = √196 = 14
Radius of the circle = side of square
Area of the square = 14 × 14 = 196 cm²
Required % = 196/616 x 100 = = 31.81% = 32%