I need help please explain 6 through 13 please

I need help please explain 6 through 13 please class=

Verified Answer :

If you have a ruler, put the ruler so it connects the points that the questions give you. every 1/4 inch is 10 miles so take however many 1/4 miles there are and times that by ten.

You need to use a ruler to measure the distance from each point