On a map of scale 1:50 000 with contour interval at 20 meters, two places are 4cm apart and one lies five contour intervals higher than the other.
The Gradient along a straight line between the two places is approximately?
The Gradient along a straight line between the two places is approximately?
-
A.
1 : 2 -
B.
1 : 20 -
C.
1 : 200 -
D.
1 : 2000