Jawabanmu

2014-05-30T19:50:01+07:00
AB = 15, BC = 9, AC = 12.
V = La x t
   = 9 x 12 : 2 x 24
= 54 x 24
= 1296
2014-05-30T19:50:31+07:00
V = 1/3 x L alas x t
   = 1/3 x ( 1/2 x 9cm x 15cm ) x 24cm
   = 1/3 x 67,5 cm² x 24cm
   = 1/3 x 1620cm³
   = 540cm³