Question

Find the diameters of circles having the following areas.
$5544m^2$

Answer 1

Given area of circle $=5544m^2$

we know

area of circle $=\pi r^2$

$\pi r^2=5544$

$r^2=\frac{5544}{3.14}=1765.6$

$r=42.01\approx 42cm$

$\therefore$ Dameter of circle = 2r = 84m