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Mathematics 18 Online
OpenStudy (anonymous):

Find the length and width of a rectangle whose perimeter is 20 feet and whose area is a maximum.

jigglypuff314 (jigglypuff314):

a rectangle whose area is max means that it is a square and a square has four equal sides so 20 divided by four and that is your answer(s)

OpenStudy (anonymous):

^^

OpenStudy (anonymous):

make a square

OpenStudy (anonymous):

Thanks, but the back of the book says the answers is 2ft by 8 ft?

OpenStudy (anonymous):

then it is wrong

OpenStudy (anonymous):

lolz satellite73

OpenStudy (anonymous):

Is the book really wrong?

OpenStudy (anonymous):

Alright, thanks!

jigglypuff314 (jigglypuff314):

@zilenay, if your textbook say 2ft by 8ft, I believe that is the answer for the minimum area for that problem

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