Jawabanmu

2014-08-23T00:13:27+07:00
9cm/600cm = 54cm/n
3/200 = 54/n
3n = 200 x 54
n = 200 x 54 / 3
n = 3600 cm
n = 36 m

* n dimisalkan lebar rumah sebenarnya
2014-08-23T00:16:03+07:00