a rectangular field is to be fenced on three sides leaving a side of 20 feet u

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 680 sq. feet, how many feet of fencing will be required?

Options:

A . 86 ft

B . 88 ft

C . 90 ft

D . 84 ft

Answer: Option B
Explanation :

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