What is the quotient?

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )

Collin did the work to see if 10 is a solution to the equation r/4=2.4