KULA

$r=4cm$  

$V=\frac{4}{3}\pi r^3$

$V=\frac{4}{3}\cdot 3,14\cdot {\left(4cm\right)}^3=267,94c{m}^3$  

WALEC

$r=2cm$  

$h=4cm$  

$V=\pi r^{2}h$

$V=3,14\cdot {\left(2cm\right)}^2\cdot 4cm=50,24c{m}^3$