Jawabanmu

2014-04-27T16:48:14+07:00
P : l : t = 4 : 3 : 2

L alas = panjang . lebar
300 = 4x . 3x
300 = 12x^2
300/12 = x^2
25 = x^2
5 = x

Volume = panjang . lebar . tinggi
= 4(5) . 3(5). 2(5)
= 20.15.10
= 3000 cm^3
2014-04-27T16:49:04+07:00
= 24/12 x 300 = 600 24 = 4x3x2 12 = 4x3 Benar ngga sih?