Question

The curved surface area of a shpere is 5544 $c{m}^3$. Find its volume.

Answer 1

$4\pi r^2$ = 5544 $c{m}^2$
$4\times \frac{22}{7}\times r^2$ =5544
$r^2$ = 441
r = 21 cm

Now
Volume = $\frac{4}{3}\pi r^3$
= $\frac{4}{3}\times \frac{22}{7}\times 21\times 21\times 21$
= 38808 $c{m}^3$