SOLUTION: The diagonal of a rectangle is 20 inches. The width of the rectangle is 4 inches shorter than its length. Write a quadratic equation about the length of the rectangle (use L for le

Algebra ->  Rectangles -> SOLUTION: The diagonal of a rectangle is 20 inches. The width of the rectangle is 4 inches shorter than its length. Write a quadratic equation about the length of the rectangle (use L for le      Log On


   

Question 804702: The diagonal of a rectangle is 20 inches. The width of the rectangle is 4 inches shorter than its length. Write a quadratic equation about the length of the rectangle (use L for length).
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
w=L-4
20^2=L^2+(L-4)^2