The volume of a cone-shaped hole is
32 pi ft cubed .32π ft3.
If the hole is
ft deep, what is the radius of the hole?
Welp, we have a nice ol' cylinder altitude 66 ft . Well. The formula for cylinder volume is h * pi * r^2.
32π/ 66 = 32/66 π = 16/33 π.
The radius is square root of 16/33.