Posted by **izzy** on Saturday, March 7, 2009 at 4:32pm.

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 -
**bobpursley**, Saturday, March 7, 2009 at 4:59pm
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 -
**izzy**, Saturday, March 7, 2009 at 5:19pm
yeah, its 3 sides thanks

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