how many cubic meters of earth will be removed to dig a well 2 meters in diameter and 28 meters deep?

Answer 1

Vol. of earth excavated = pi x r^2 xh
where pi = 22/7
r = radius = 1 met ( dia. 3 met.)
h = 28 met

Then V = 22/7 x 1^2 x 28 m3
= 88 m 3