Jawabanmu

2014-05-29T15:17:31+07:00
Alas berukuran 5,12,13 brarti sgitiga siku2
luas alas = 5x12/2 = 30 dm^3

volume = luas alas x tinggi = 30 x 10 = 300 dm^3 = 300 liter

300 liter = 300.000 ml

waktu yg dibutuhkan = 300.000/30 = 10.000 detik