Answer:
[tex]\pi =\frac{3V}{4r^3}[/tex]
Step-by-step explanation:
I'm assuming that you are trying to solve for pi?
[tex]V = \frac{4}{3} \pi r^3\\\frac{3V}{4} =\pi r^3\\\frac{3V}{4r^3}=\pi[/tex]
