Asquare has a side lengths of 9, use the pythagorean theorem to find the length of the diagonal

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 : )

The area of the map is the product of the length and width. write and expression for the area as the product of the two binomials do not multiply

The legs of a right triangle measure 6 meters and 8 meters. what is the length of the hypotonuse.