Question

The radius of a sphere is 30 cm. What it its volume? (π = 3.14)

Answer 1

Radius of the sphere (r) = 30 cm
Volume of the sphere = $\frac{4}{3}\mathrm{\pi }{r}^3$
$$\begin{gathered} =\frac{4}{3}\times 3.14\times 30\times 30\times 30 \\ =113040\mathrm{cu}\mathrm{cm} \end{gathered}$$