On december 16th we received an e-mail from Martin H Watson with the following request:"Please visit and give me your comments."
In a following mail, Martin wrote: "I would be delighted for you to use the idea in one of your competitions. I won't add any of this idea to my web site until you have used it for your competition"

Here's a set of pentapipes:
Make a closed circuit with these 12 pentapipes.
You should try to minimalise the area of the rectangle that contains the closed circuit.
In the example shown the area is 180.



Do you have our excel file to draw the circuit? You can download it here.

“FlatPoly2“, a programm by Aad van de Wetering, can be of great assistance when trying to find a solution. It can be downloaded at his site .

Send your remarks :