jawab dong plisss penting

V = 1/3 x pi x r^2 x t
56.52 = 1/3 x 3.14 x 3 x 3 x t
56.52/3.14 = 1/3 x 3 x 3 x t
18 = 1/3 x 3 x 3 x t
18 = 3 x t
18/3 = t
t = 6