A student stands at the point marked X on the topographic map below.
Contour interval: 10 m
The top of the hill is represented by a triangle. The student must climb _______ meters to reach the top of the hill. (Enter the number only, no unit)
Contour interval: 10 m
The top of the hill is represented by a triangle. The student must climb _______ meters to reach the top of the hill. (Enter the number only, no unit)