Question 352470
let x=width , then 2x+2=length


by Pythagoras ___ x^2 + (2x+2)^2 = 13^2 ___ x^2 + 4x^2 + 8x + 4 = 169


5x^2 + 8x - 165 = 0


factoring ___ (5x + 33)(x - 5) = 0 ___ negative solution is not realistic


x - 5 = 0 ___ x = 5