There is a rectangular land on the bank of the river on which the farmer and his family grows the crops but wild animals graze all the crops. So farmer and his family decided to enclose his rectangular field with 4000 meter fencing leaving from the side of river.

Give answer for question:
What is the maximum area of the plot ?

Options

A. `2000 m^2`
B. `2 km^2`
C. `200 km^2`
D. `20,000 m^2`

Answer

B