Enclosure, sometimes termed inclosure, was the legal process in England of consolidating (enclosing) small landholdings into larger farms from the 13th century onward. Once enclosed, use of the land became restricted and available only to the owner, and it ceased to be common land for communal use. Feb 11, 2016 · The maximum area is given when the two rectangles form a square, that is when we have a rectangle twice as long as wide. Hence with 2400 ft of fence, the rectangle has fenced sides 600 ft, 1200 ft and 600 ft. Method 2 - Algebra and calculus Suppose the long side of the rectangle has length t ft.