Question 901870
diagonally...hint for Pythagorean Theorem
w^2 + (w+20)^2 = 100^2
2w^2 + 40w - 9600 = 0
w^2 + 20s - 4800 = 0  (Tossing out the negative solution for unit measure)
(w + 80)(w-60) = 0, w = 60ft  and L = 80ft {{{60+20}}}