Question 248644
Area of the rectangle is 9000 sq meter.
Let x be the width if the rectangle.
The length then is (1.6)*x

Area - Length times Width = x*(1.6)*x = 9000

So we have:

(1.6)*(x^2) = 9000

Solve for x to get the width then substitute that value in (1.6)*x to get the length.