diameter 7 cm tinggi 18 cm,volume nya adalah...

Jika tabung :
r = 7/2 = 3,5 cm

V = pi x r^2 x t
V = 22/7 x 3,5 x 3,5 x 18
V = 693 cm^3

Jika kerucut :
V = 1/3 x pi x r^2 x t
V = 1/3 x 22/7 x 3,5 x 3,5 x 18
V = 231 cm^3