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 area on the map that represents the plot of land. 

Answer 1

4 km² is represented by km² 

1 km² is represented by `1/4` cm²

20km² is represented by  `1/4 xx 20` cm² = 5 cm²

Area on map that represents the plot of land= 5 cm²