Susan wants to put up fencing around three sides of her
rectangular yard and leave a side of 20 feet unfenced. If
the yard has an area of 680 square feet, how many feet of
fencing does she need?
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Answer / gowri
Area = L*20 =680
So L=34 feet
So Susan wants to put fencing for 34+34+20 = 88feet of her
rectangular yard.
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