Question

The perimeter of a square and the circumference of a circle are equal. If the radius of the circle is $r$ and side of the square is $S$, then the area of the circle in terms of $S$ is

• A. $4.5^2$
• B. $16 S^2$
• C. $\frac{4 S^2}{\pi}$
• D. $\frac{16 S^2}{\pi}$

Answer 1

Answer: (C)

Correct answer is (c) $\frac{4 S^2}{\pi}$