Jawabanmu

2014-03-27T21:13:38+07:00
20 cm : 40 km = 20 : 4000000 = 1 : 100000
1 : 200000
20 cm: 40 Km = 20 : 4000000= 1 : 200000\
2014-03-27T21:15:43+07:00
Jp;js=20cm:4000000=1:100000 cm maaf kalo salah semoga berguna