You mean a hole all the way through it? I would go to the doctor and get that looked at. Holes in your feet are never good.
There is no dirt...it is a hole
There's no dirt in a hole.
the hole has a 20 foot diameter and a 10 foot radius
There is none. Because there is a hole! If you are asking how much dirt can fill the hole, then your answer is 27 cubic feet.
None
None, it's a hole! (1 cubic foot has been dug out.)
Basically, all socks should have at least one hole - the one you put your foot in. By saying, "Your sock has a hole IN IT" implies that there is a hole in the actual knit fabric of the sock (rather than just a hole that was pre-made in the sock in order to be of use at all to a wearer) .
a lot of dirt.
none
That hole is 6 feet deep or 72 inches deep.
(3 x 2 x depth of the hole in feet) cubic feet
There's no dirt in a hole.