Jawabanmu

2014-08-14T18:55:21+07:00
V. balok = p x l x t
           =25 x 8 x 10 = 2000 cm3
v. limas = 1/3 x l.alas x t
           = 1/3 x (25 x 8) x 15
           = 1/3 x 200 x 15
           = 1000 cm3

jadi v total = 2000 + 1000 = 3000 cm3
2014-08-14T18:55:22+07:00
Volume balok = 2000
volume limas = 1000
volume total = 3000