Jawabanmu

2014-05-08T18:27:30+07:00
V = 1/3 Luas alas× t
800 = 1/3 × 12 × 8 × t
800 = 32 × t
t = 800 / 32
t = 25 cm
Jawaban paling cerdas!
2014-05-08T18:27:39+07:00
V limas = 1/3 x Luas alas x tinggi ^^

Luas alas nya= 12 x 8 =96 cm²

V limas = 1/3 x Luas alas x tinggi 
 800      = 1/3 x 96 x tinggi prisma
800       = 32 x tinggi prisma
tinggi prisma = 800 :32 = 25 cm