Question

Tolong dibantu ya kak :)

Answer 1

V1 = 80 cm^3
V1 = πr^2t

Karena diameter tabung 2 = 2x diameter tabung 1
maka r tabung 2 = 2x r tabung 1
misal r tabung 2= r'
r' = 2r

V' = π(r')^2t
V' = π x 4r^2 x t
V' = 4 x V1
V' = 320 cm ^3