Find the percent increase from 9 to 10

What is the relationship between all triangles that can be drawn given the same three angles

Find the missing dimension! need asap! tiny square is a =3025 in ²

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 : )