The scale of the map is 1: 150,000. What is the distance on the ground if it is 12.6 cm on the map?

A map scale of 1: 150,000 means that 1 cm on the map corresponds to 1.5 km on real terrain. (150,000 is divided by 100,000, since 1 km is 100,000 cm). To determine how many km on the ground will correspond to 12.6 cm on the map, we will calculate:
1.5 * 12.6 = 18.9 km.



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