You can get a larger area 30*40 by using 30 for the east-west dimension. Sent from my iPad
On Feb 23, 2013, at 9:40 AM, Roger Hui <rogerhui.can...@gmail.com> wrote: > The largest area obtains when it's a square and that area is: > > *: 100%3 > 1111.11 > > i.e. the length of the barn wall is 100%3 meters and so are the lengths of > the other 3 sides. > > Exercise for the reader: What is the largest area that can be enclosed > with 100 meters of fence and one side of the barn, if the area can be of > any shape? What is that shape? > > > > > > On Sat, Feb 23, 2013 at 6:42 AM, km <k...@math.uh.edu> wrote: > >> Use J to solve the farmer's fence problem: >> >> A farmer with 100 meters of wire fence wants to make a rectangular chicken >> yard using an existing barn wall for one of the north-south sides. What is >> the largest area he can enclose if he uses the 100 meters of fence for the >> other three sides, and what are the dimensions of the largest-area chicken >> yard? >> >> Kip Murray >> >> Sent from my iPad >> >> ---------------------------------------------------------------------- >> For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
