Jawabanmu

2014-05-29T09:18:35+07:00
FP = 1/2.rusuk kubus.√6
15/2√6 = 1/2 rusuk √6
15/2 =1/2 rusuk
rusuk kubus = 15 cm
L alas limas = rusuk kubus x rusuk kubus = 15 x 15 =225 cm2
t.limas = rusuk kubus = 15 cm

V limas = 1/3 x L.alas x t.limas
V limas = 1/3 x 225 x 15
V limas = 1125 cm3