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

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Dave Wilson

Posts: 46
Registered: 12/6/04
Re: Two-Sided Regular Polygons
Posted: Mar 1, 1996 5:09 AM
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At 15:36 29/2/96, John Conway wrote:>On 29 Feb 1996, Dan Bennett asked
about naming:

>> 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'.

A letter always reaches its destination
Dave Wilson ( Lacan

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