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Vitaly and Jen have 24m of fencing to enclose a vegetable garden at the back of their house. What are the dimensions of the largest rectangular garden they could enclose with this length of fencing?

  • math - ,

    Is the fencing on all sides,or just three?

    If three sides:
    24=2L+w
    Area=Lw=l(24-2L)

    Using calculus, set the derivative to zero.
    0=24-2L -2L
    solve for L.Then go back and solve for W from the perimeter.

  • math - ,

    yeah, its 3 sides thanks

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