Farmer ed has 850 meters of fencing and wants to enclose a rectangular plot that borders on a river. if farmer ed does not fence along side the river, find the length and width that will maximize the area. what is the largest area that can be enclosed?

Quadrilateral efgh was dilated with the origin as the center of dilation to create quadrilateral e'f'g'h'. the quadrilateral was dilated using a scale factor of 2.5. the lengths of the sides of quadrilateral efgh are given. what is the length of side f'g'?