Jawabanmu

2014-09-05T19:34:37+07:00
Tinggi foto/tinggi model = lebar foto/lebar model

x/12 cm = 1500 cm/5 cm
5x= 1500.12
   =18000
=18000/5
x=3600
x/12=1500/5
5x=1500.12
5x=18000
x=18000/5
=3600 cm=36m
2014-09-05T19:37:03+07:00