Question

A wire bent in the shape of square and having area484sq m...What is the area of same wire bent in circle

Answer 1

${x}^{2} = 484$
$x = 22$
Length of wire is 22 sq. m
$2\pi \: r = 22$
$r = \frac{11}{\pi}$
$\pi {r}^{2} = \frac{\pi \times 11 \times 11}{\pi} = 11 \times 11 = 121 {m}^{2}$