If the circumference of a circle of radius 'r' and the perimeter of square of side 'a' are equal, then the ratio of area of the circle to that of the square is:

4 : π

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π: 4

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π 2 : 16

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π 2 : 4

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Solution

The correct option is A
4 : π

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Similar questions

If the perimeter of a square is equal to the circumference of a circle then the ratio of their areas is

(a) 4 : $π$ (b) $π$ : 4 (c) $π$ : 7 (d) 7 : $π$

121 m^{2}

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