Final answer:
9cm on the map represents 2.25km in reality
Step-by-step explanation:
To find out how many kilometers is represented by 9cm on the map, we need to use the given scale of 1:25000. This means that 1cm on the map represents 25000cm (or 250m) in reality. To convert this to kilometers, we divide by 1000.
So, 1cm on the map represents 250m = 0.25km in reality.
Therefore, 9cm on the map represents 9 * 0.25km = 2.25km.