JAMB - Geography (2015 - No. 41)
a given map is enlarged 3 times its original size which is 1;150,000 what will be the new scale?
1 : 50,000
1 : 75,000
1 : 100,000
1 : 450,000
Giải thích
A is correct; when the map is enlarged the new scale is 1 : 50,000
A is correct. when the map is enlarged the representative fraction becomes smaller i.e. 1: 150,000/3
= 1: 50,000
A is correct. when the map is enlarged the representative fraction becomes smaller i.e. 1: 150,000/3
= 1: 50,000