Question

find the volume of cone of radius r/2 and height 2h​

Answer 1

$\bold{radius \: = \: 2} \\ \bold{height \: = \: 2}$

$\bold{so}$

$\red{v \: = \: 8.38}$

Answer 2

$Volume \: of \: Cone = \frac{1}{3\pi} \: {r}^{2} 2h$

$= \frac{1}{3\pi} \times \frac{ {r}^{2} }{4} \times 2h$

$= \frac{1}{6} \: \: \pi \: {r}^{2} h$