Question

Sam wants to fill his ball up with air.If the ball has a diameter of 13 inches, how much air will it hold? Round to the nearest tenths

Answer 1

Explanation:

In order to find how much air the balloon will hold, we need to find its volume.

The volume of the ball with radius r is given by

`V=(4)/(3)\pi r^3`

Now, in our case r = 13 in /2 = 6.5 in, and therefore,

`V=(4)/(3)\pi(6.5)^3`
`V=177.0`

which is our answer!

Hence, the ballon will hold 177 cubic inches of air.