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2. = 7,5 km
3. = skala = 9 : 7.200.000 = 1 : 800.000
4. = 7-5 / 7+ 5 . 72 = 2 / 12 . 72 = 12
5. = L = p . l
= 200 cm2 = 50 cm . l
=l = 200 cm2 : 50 cm = 4 cm
perbandingan p : l = 50 : 4 = 25 : 2
2.
3. 720000 ÷ 9 = 80000
4. 12
5. 200 ÷ 50 = 4 .