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Topic: Two-Sided Regular Polygons
Replies: 9   Last Post: Jan 25, 2005 9:47 PM

 Messages: [ Previous | Next ]
 Dave Wilson Posts: 46 Registered: 12/6/04
Re: Two-Sided Regular Polygons
Posted: Mar 1, 1996 5:09 AM

At 15:36 29/2/96, John Conway wrote:>On 29 Feb 1996, Dan Bennett asked

>> A finite straight line has two sides and can be considered a regular
>> n-gon where n = 2. (This line is also a rectangle with length, but 0
>> width, an ellipse with one axis = 0, an isosceles triangle with base
>> = 0, and so on. In every case it has two sides.) Is there a correct
>> "gon"
>> term (besides" line segment") for this shape? A bigon? duogon? digon?

Abelson and DiSessa in their "Turtle Geometry" refer to this as a 'bigon',
and discuss bigons on the surfaces of cubes and so on - and make the (weak)
joke that perhaps we shold let 'bigons be bygones'.

Dave
A letter always reaches its destination
Dave Wilson (D.Wilson@mmu.ac.uk Lacan
Dave@zizek.demon.co.uk)
http://s13a.math.aca.mmu.ac.uk

Date Subject Author
2/29/96 William Blackwell
2/29/96 John Conway
2/29/96 Doris Schattschneider
3/1/96 Lee Rudolph
3/1/96 mary.krimmel@sdcs.org
3/1/96 Dave Wilson