Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
solve for v: V=1/6 pi v (3 v (2 r - v)+v^2)
solve for v: V=1/6 pi v (3 v (2 r - v)+v^2)
Natural Language
Math Input
Extended Keyboard