using the map, calculate the contour interval for this topographic map

1. 180m
2. 20m
3. 80m
4. 100m

thank you to whoever answers this <3

using the map calculate the contour interval for this topographic map 1 180m 2 20m 3 80m 4 100m thank you to whoever answers this lt3 class=

Respuesta :

there are five contour lines between 180 and 80 so...
[tex] \frac{(180 - 80)}{5} = 20[/tex]
2. 20m is the answer