2026 PCSS P1 Q17

A map is drawn to a scale of \(1:80000\).

1. This scale can be expressed as 1 cm represents \(n\) km.
   Find \(n\).[1]
2. The distance between \(A\) and \(B\) on the map is 15 cm.
   Find the actual distance, in kilometres, between \(A\) and \(B\).[1]
3. A plot of land has an actual area of \(10\text{ km}^2\).
   Find the area, in square centimetres, of the plot of land on the map.[2]