Question

If the amount of air in a spherical balloon is 288 cu. in.,

what is the radius of the balloon?

Answer 1

Volume of a sphere is \[\huge V = \frac 43 \pi r^3\]
so to find r just do \[\huge r = \sqrt[3]{\frac{3V}{4\pi}}\]

Answer 2

does that help?

Answer 3

yes , thank you !