Question

A rectangular field is to be fenced on three sides leaving a side of 20 feet uncovered.If the area of the field is 680sq.ft.,How many feet of fencing will be required ?​

Answer 1

We have: l = 20 ft and lb = 680 sq. ft.

So, b = 34 ft.

Length of fencing = (l + 2b) = (20 + 68) ft = 88 ft.

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