Jawabanmu

2014-08-22T15:19:51+07:00
V = 1/3 x pi x r kuadrat x t
314 = 1/3 x 3,14 x 5 x 5 x t

pindah ruas biar gampang

314/3,14 = 1/3 x 25t
100 = 1/3 x 25t

pindah ruas lagi

3 x 100 = 25t
300 = 25t
t = 300/25
t = 12 cm
2 5 2