Question

What is the volume of the Sphere below?

Answer 1

$\bf \textit{volume of a sphere}\\\\ V=\cfrac{4\pi r^3}{3}\quad \begin{cases} r=radius\\ -----\\ r=3 \end{cases}\implies V=\cfrac{4\pi 3^3}{3}\implies V=36\pi$

Answer 2

ANSWER

The volume of the given sphere is

$36 \pi \: units \: {}^{3}$

EXPLANATION

The volume of a sphere is calculated using the formula,

$Volume= \frac{4}{3} \pi \: {r}^{3}$


Where
$r = 3 \: \: units \:$
is the radius of the sphere.



We substitute this value into the formula to obtain,


$Volume= \frac{4}{3} \pi \: {3}^{3}$


This simplifies to,

$Volume= 4 \pi \times {3}^{2}$


This will give us,

$Volume= 4 \pi \times 9$


We finally multiply out to obtain,

$Volume= 36\pi \: units \: {}^{3}$

The correct answer is therefore B.