Same formula as for a pyramid
V o l u m = 1 3 h ⋅ B
h: height B: base area (π·r2) s: slant height
s = h 2 + r 2
h = s 2 − r 2
r = s 2 − h 2
L a t e r a l S u r f a c e = π ⋅ r ⋅ h 2 + r 2
Or L a t e r a l S u r f a c e = π ⋅ r ⋅ s
