tolong dijawab ya...

1.
v = πr^2t
v=3,14.5^2.16
v=3,14.25.16
v=1256 dm^3

2.
v=πr^2t
v=3,14.10,5^2.32
v=3,14.110,25.32
v=11077,92 cm^3

3.
v=πr^2t
v=3,14.20^2.22
v=3,14.400.22
v=27632 cm^3