Respuesta :

musiclover10045

since the fence will be 3 sides, the length would be length minus 2 widths

 so length = 1200 - 2x

 area = length x width

 width is x

area = (1200-2x)*x

= 1200x -2x^2


 after doing the calculations x = 600 meters, width = 300 meters

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