a sand pile in a shape of an upside-down cone has a volume of 350 m2 . The diameter of the base pof the pile is 7m. what is the height of the sand pile?

Answer 1

recall that V = 1/3 Bh = 1/3 pi r^2 h
350 = 1/3 (pi * (7/2)^2)h
h = 600/(7pi)