Question 903097
Using Pythagorean Theorem
(w+5)^2 + w^2 = 12^2
2w^2 + 10w - 119 = 0 (Tossing out the negative solution for unit measure)
w = 5.6  and L = 10.6 {{{5.6+5}}}
 *[invoke quadratic "x", 2,10,-119]