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The actual area of a large farm is 4000 hectares. Calculate the area of the farm on a map of scale 1:20 000.?
The actual area of a large farm is 4000 hectares. Calculate the area of the farm on a map of scale 1:20 000.
- JimLv 72 months ago
UPDATED: a hectare is 10,000 m²
Assume the area is square, then the sides would be √(4,000hectares * 10,000m²/1hectare) = 6324.555m
Then scale 6,324.555 m (1 scale meter/20,000 real m) = 0.31622 scale m
Then use the new scale side length to calculate scale area.
(0.3162 scale m)² = 0.100 scale m²