Question

The volume of a sphere is 36000 π cu cm. What is its radius?

Answer 1

Radius of sphere (r) =?
Volume of sphere = 36000 π cu cm
Volume of a sphere = $\frac{4}{3}\mathrm{\pi }{r}^3$
$$\begin{gathered} \Rightarrow 36000\mathrm{\pi }=\frac{4}{3}\times \mathrm{\pi }\times r^3 \\ \Rightarrow r^3=\frac{36000\mathrm{\pi }\times 3}{4\times \mathrm{\pi }} \\ \Rightarrow r^3=27000 \\ \Rightarrow r=30\mathrm{cm} \end{gathered}$$