What is the length of a rectangle whose width in 17 inches and whose area is 582.25 in?

We know, area = length * width
Here, A = 582.25 in²
w = 17 in

Substitute their values, 
582.25 = l * 17
l = 582.25 / 17
l = 34.25 in

In short, Your Answer would be 34.25 inches

Hope this helps!