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jrak sebenarya=3 km=300.000cm
skala =6cm : 300.000cm
= 1 : 50.000
2. 200 g : 5 kg
200 g : 5000 g = 1 : 25
3. persegi pertama
12cm ÷ 12 cm =144 cm persegi
persegi kedua
15 cm × 15 cm = 225 cm persegi
perbandingan luas
144 : 225 =16 : 25