Jawabanmu

2014-06-11T08:31:20+07:00
Lp = 2 x la + ka x t
468 = 2 x (9 x 6) + (2(9+6)) x t
468 = (2 x 54) + (30 x t)
468 = 108 + (30 x t)
(30 x t) = 468 - 108
(28 x t) = 360
t = 360 : 30
t = 12 cm

Volume
= la x t
= (9 x 6) x 12
= 54 x 12
= 648 cm³
Jawaban paling cerdas!
2014-06-11T11:31:51+07:00