Jawabanmu

2014-05-20T21:14:38+07:00
Lp= 2×luas alas + keliling × tinggi prisma
900= 2×(15×10) + (2×15+2×10)× X
900= 300 + 50 × X
900= 300 + 50X
900-300= 50X
600 = 50X
600:50 = X
12 = X
tinggi prisma = 12
volum = luas alas × tinggi prisma
volum = 15×10 × 12
volum =1800
3 4 3