Question

volume of cylinder which is 18cm high and radius is 10.5cm

Answer 1

volume
$= \pi {r}^{2} h$
$= 22 \div 7 \times 10.5 \times 10.5 \times 18$
$= 22 \times 1.5 \times 10.5 \times 18$
$= 6210 {cm}^{3}$