For a contour shown in figure below, the horizontal distance between point Q and the point on the next contour R is ________m.
Contour Gradient 1 in 25.
1
100 m
2
150 m
3
50 m
4
5 m
For a contour shown in figure below, the horizontal distance between point Q and the point on the next contour R is ________m.
Contour Gradient 1 in 25.