## Related questions with answers

Question

Find the volume of a spherical beach ball wit h a diameter of

Solution

VerifiedStep 1

1 of 2The volume of a sphere with radius $r$ is given by the formula,

$V=\dfrac{4}{3}\pi r^3$

Here, we have the diameter of sphere $d=38$cm

$\Rightarrow$ $\text{radius}=\dfrac{d}{2}=\dfrac{38}{2}=19$cm

$\begin{align*} V&=\dfrac{4}{3}\pi r^3\tag{Put $r=19$}\\ V&=\dfrac{4}{3}\pi \times 19^3\\ V&=\dfrac{27436\pi}{3}\tag{Put $\pi=3.14$}\\ V&=28716.3467\\ V&\approx28716.35 \end{align*}$

The volume of the sphere is about $28716.35\text{ cm}^3$

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