Question

volume of hemisphere is 18pi cm cube find its radius​

Answer 1

Answer:

It's radius is 3 cm.

Step-by-step explanation:

$let \: radius \: of \: the \: hemisphere \: = r cm\\ volume \: of \: hemisphere \: = \frac{2}{3} \pi {r}^{3} \\ = > 18\pi \: {cm}^{3} = \frac{2}{3} \times \pi\times {r}^{3 } \\ = > \frac{2}{3} \times {r}^{3} = 18 \\ = > {r}^{3} = 18 \times \frac{3}{2} \\ = > {r}^{3} = 27 \\ = > r = \sqrt[3]{27} \\ = > r = 3 \: cm$