The area of a rectangular field is 1600sqm. If the length of the field is 80m, find the perimeter of the field.


Given:


Area of field = 1600 sq.m


Length of field = 80 m


Area = l × b


b = 1600 / 80


= 20 m


Perimeter = 2 × (l + b)


= 2 × (80 + 20)


= 200 m.


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