# What is the density of a sphere?

Well, the volume of a sphere of radius $r$ $=$ $\frac{4}{3} \pi {r}^{3}$........
And given that $\text{Density}$ $=$ $\text{Mass"/"Volume}$,
$\text{Density}$ $=$ $\frac{\text{Mass} \times 3}{4 \cdot \pi {r}^{3}}$