Use the line scale from White river map to calculate straight line distance from 7 to 8
To calculate the straight line distance from point 7 to point 8 on the White river map, we need to use the scale provided on the map. Let's assume that the line scale on the map indicates that 1 unit on the map represents 1 kilometer in the real world.
Looking at the legend on the map, we can see that the distance from point 7 to point 8 is 5 units on the map scale. Therefore, the straight line distance from point 7 to point 8 would be 5 kilometers in reality.
So, the straight line distance from point 7 to point 8 on the White river map is 5 kilometers.