Jawabanmu

2014-05-19T20:16:59+07:00
Keliling alas kubus = keliling persegi = 4s = 20cm
sisi = 20/4 = 5cm
Volume = sisi*sisi*sisi = 5*5*5 = 125cm^3
Jawaban paling cerdas!
2014-05-19T20:20:13+07:00
K=s x 4
20cm = s x 4
s = 20cm : 4
s = 5cm

V = s x s x s
V = 5cm x 5cm x 5cm
V = 125cm3
1 5 1