Jawabanmu

2014-08-28T20:56:34+07:00
V1:v2
1:27

s1^3 : s2^3
1    :  27
3V1  : 3V27
1    :  3

s1= 8 cm
s2= 3s1
  = 3x8
  = 24 cm

kerangka?

6s^2

1. 6 x 8^2 = 6 x 64
           = 384
2. 6 x 24^2 = 6 x 576
            = 3456

s1 + s2 = 3840

2 2 2