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r1 = 1
r2 = 3
perbandingan luas = 1x1x6 : 3.3.6
6 : 54
1 : 9 C
sisi K. 1 : sisi K.2 = ∛1 : ∛27 = 1 : 3
Perbandingan
LP kubus 1 : Lp kubus 2 = 6 x 1 x 1 : 6 x 3 x 3 = 1 : 9
jadi, jawabannya C