Question

The scale of a map is 1 : 200000. A plot of land of area 20km² is to be represented on the map. Find: The number of kilometres on the ground represented by 1 cm on the map.

Answer 1

Scale of map =1 : 200000

1 cm on the map = 200000 cm on the ground

Convert to kilometres:

200000 cm = `200000/100000` = 2 km

1 cm represents 2 km​