# math

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determine the maximum area of a rectangular field that can be enclosed by 2400 m of fencing

• math -

The maximum area of a rectangel is obtained when the rectangle is a square
so 4sides = 240
1 side = 60
area = 60^2 = 3600 m^2

• calculus -

A rectangular field is to be enclosed and divided into 4 equal lots by fences parallel to one of the sides. A total of 10,000 meters of fence are available. Find the area of the largest field that can be enclosed.

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