$ V = (r_{1} ^{2} - r_{2} ^{2} )\cdot \pi \cdot h $

$ r_{1} = \sqrt{\frac{ V}{\pi \cdot h}+r_{2} ^{2} } $

$ r_{2} = \sqrt{r_{1} ^{2} - \frac{ V}{\pi \cdot h}} $

$ h = \frac{ V}{(r_{1} ^{2} - r_{2} ^{2} )\cdot \pi } $