Jawabanmu

2014-06-08T09:36:38+07:00
V prisma = La × t
V prisma = 120 × 24 = 2880 cm³

V air = 1/4 V prisma
V air = 1/4 × 2880 cm³ = 720 cm³
dik : luas alas = 120 cm
dik : luas alas 120 cm dan volume air 720 cm
1/4 x luas alas x tinggi = 1/4 x 120 x 24 = 720 cm kubik
2014-06-08T10:45:03+07:00
Vp=La.Tp=120 cm².24cm=2880 cm³
Vair=1/4.Vp=1/4.2880 cm³=720 cm³=0,72 Liter