Question 999344
volume pi*r^2*h
20 liters=pi*625cm^2*h
units are liters on left, cm^2*cm on right or cm^3.
20 liters is 20,000 cm^3
Therefore,
20000=pi*625*h=1963.495 cm^2*h
divide by 1963.495=10.186 cm, height.