Math
posted by Vince .
The scale of map is 1:20000. Find the area on the map which represents 124km^2

area on map
= actual area / scale^2
= 124 km^2 / 20000^2
= 124 (1000m)^2 / (20,000)^2
= 124 / 400 m^2
=0.31 m^2
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