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Mathematics 10 Online
OpenStudy (anonymous):

A carpenter is bulding a rectangular room with a fixed perimeter of 68ft. What dimensions would yield the maximum area? What is the maximum area? The langth that would yield the maximum area is ? ft.

Directrix (directrix):

For a rectangle with fixed perimeter, a square shape maximizes area. So, 68/4 feet would be the length and (68/4)^2 square feet would be the maximum area.

OpenStudy (anonymous):

that answer was not sorect they want an exact ft

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