Jawabanmu

2014-08-23T04:31:36+07:00
Jawabannya 3 : 1 soalnya 12 : 4 kalo d sederhanakan jd sgtu
2014-08-23T05:11:20+07:00
Skala = 1200 cm: 4 cm = 300:1

p denah = 1500cm: 300 = 5 cm
l denah = 1500cm: 300 = 5 cm
L = 1500cm x 1500cm = 2250000 cm^2
L denah = 5 cm x 5 cm = 25 cm

perbandingan luas aebenarnya dan denah
= L : L denah = 2250000 cm^2 : 25cm^2 = 90000: 1