Jawabanmu

2014-06-03T21:23:42+07:00
2014-06-03T22:21:02+07:00
V = la x t
l = (2 x la) + ls
ls = k x t
ls = (6+8+10) x 12
ls = 24 x 12
ls = 288

la = 1/2 x 8 x10 = 40

v = 40 x 12
v = 480 dm3