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2. akar3 dari 125=5
6 x 5x5 = 6x25 = 150
dik Lalas = 16 cm²
maka :
Lp = 6 x L.alas
= 6 x 16
= 96 cm²
nomor 2 :
dik : V = 125 cm³
maka :
V = sisi³
125 = sisi³
sisi = ∛125
sisi = 5 cm
jadi : Lp = 6 x sisi²
= 6 x 5²
= 150 cm²