Relax

Respuesta :

Use Volume = pi x radius^2 x Length.
pi = 3.14.
Diameter of column divided by 2 = radius.
radius x radius = r2
3.14 x r2 x L = Volume in cm3
So:
30/2=15
15x15x3.14=706.5
706.5x325=229612.5≈229613 cm^3