Jawabanmu

2014-05-11T19:47:32+07:00
V = s³
343 = s³
 \sqrt[3]{343} = s
7 = s

L = s x s
L = 7 x 7 = 49 cm²

2014-05-11T20:46:23+07:00
V kubus = S^3
S^3 = 343cm^3
S = 7cm
luas kubus = SxS
7cm x 7cm = 49cm^2