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skala=1:1000000
ditanya : jarak sebenarnya?
penyelesaian:skala=jp:js
1:1000000=24:js
1×js=24×1000000
js=24000000cm
js=240km
2)diketahui:JP=19CM
skala=1:2000000
ditanya:jarak sebenarnya?
penyelesaian:skala=jp:js
1:2000000=19cm:js
1×js=19×2000000
js=38000000cm
js=38KM