The distance between two places x and y in the map is 6 inch and rf is 1 by 31680
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1
Explanation:
The scale means that 1 unit on the map is equal to 200,000 units on the ground. A unit can be measured in inches, millimeters or centimeters, feet or finger widths. Then the distance on the ground will then be in the same units but 200,000 times as many. So for a distance of 3 cm the distance on the ground between the cities will be 600,000 cm which is 6000 meters or or 6 km. In normal circumstances the distance will be quoted in the largest units so this distance will be called 6 km rather than 6000 meters. If this distance were a fence line then meters would more likely be used.
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2
Answer:
1 mile = 63,360 inch
r/f=1/31680
distance of ground =31,680/63,360
0.5km
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