Respuesta :

You need to use the distance formula to find the length and width of the rectangle.
length  = sqrt ((-5-7)^2 + (2 - -4)^2) = sqrt 180
width =  sqrt (-5--7)^2 + (2--2)^2 = sqrt 20

Area = sqrt180 * sqrt 20 = sqrt 3600 = 60 Answer