Question 1032558
The volume of a cylinder is found by
{{{V = pi*r^2*h}}}
Thus if we find the radius, we can double that to find the diameter...so...
{{{2880*pi = pi*r^2*20}}}
{{{2880 = 20*r^2}}}
{{{r^2 = 144}}}
and
r = 12 cm
which means the diameter is
d = 2r = 24 cm
(That's a big can of peas...)