Question 9916
The volume of a cylinder is {{{pi*R^2*H}}}

where {{{pi = 3.1415926}}}
R= the radius
H = Height.

Pi is a constant.

R = 1/2 of the diameter = 8 / 2 = 4 cm

H = 3 cm

So {{{3.14*4^2*3}}}= 150.72

answer = 150.72