Question

A farmer needs to make a rectangular enclosure of area 72 sqm. for cattle. He
is using the corner of a compound wall as two sides of the enclosure, and 18 m of
wire mesh . Find the length and width of the cattle enclosure.
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Answer 1

Answer:

A backyard farmer wants to enclose a rectangular space for a new garden. She has purchased 80 feet of wire fencing to enclose 3 sides, and will put the 4th side against the backyard fence. Find a formula for the area enclosed by the fence if the sides of fencing perpendicular to the existing fence have length