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A circle and a square have same area. Therefore, the ratio of the side of the square and the radius of the circle is?

√π : 1
1 : √π
1 : π
π : 1

Correct Answer: √π : 1

Explanation:

Let the side of the square be 'a' and let the radius of the circle be 'r'
Then, a² = πr²
⇒ a² / r² = π
⇒ a / r = √π
∴ a : r = √π : 1

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