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Change 150 cm to km if the map scale is
1:20000
1 answer
1 m = 100 cm
1 km = 1 000 m = 1 000 • 100 cm
1 km = 100 000 cm
20 000 • 150 cm = 3 000 000 cm =
= 30 • 100 000 cm = 30 km
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