Question

A cylinder shaped above ground pool is 4.5 deep. If the diameter of the pool is 16 ft, determine the capacity of the swimming pool in cubic feet. Write your awnser in terms of pi

Answer 1

For this exercise you need to use the following formula for calculate the volume of a cylinder:

`V=\pi r^2h`

Where "r" is the radius and "h" is the height of the cylinder.

In this case you can identify that:

`h=4.5ft`

You know that the diameter of the pool is 16 feet. Since the radius is half the diameter:

`\begin{gathered} r=(16ft)/(2) \\ \\ r=8ft \end{gathered}`

Knowing the radius and the height of the pool, you can substitute them into the formula and then you have to evaluate, in order to find the capacity of the swimming pool in cubic feet:

`\begin{gathered} V=\pi(8ft)^2(4.5ft) \\ V=288\pi\text{ }ft^3 \end{gathered}`

The answer is:

`288\pi\text{ }ft^3`