Volume of a spherical cap (segment) using radius of base
$$V = \frac{1}{6}\cdot \pi\cdot h\cdot (h^{2}+3\cdot r^{2})$$
V - volume
h - height of a cap (segment)
r - radius of a cap (segment) base
h - height of a cap (segment)
r - radius of a cap (segment) base
Find
It is known that:
= 