Jawabanmu

2014-09-09T10:26:34+07:00
Volume 1 : volume 2 = 1 : 27
s³ : r³ = 1³ : 3³
s : r. = 1: 3
Panjang kubus 1 = 8 cm
panjang kubus 2 = 24 cm

panjang kawat = 8×12 + 24×12
= 96 + 288
= 384 cm