Talk:Hexagonal bipyramid
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Image of dodecadeltahedron[edit]
I uploaded the current image to commons:image:dodecadeltahedron.gif yesterday and used it in the article, but it isn't very accurate and the resolution is poor. Now I've created a better version at commons:image:dodecadeltahedron-2.ps.gif, but it's in PostScript and needs conversion to some other format. Can somebody assist? (The .ps.gif extension is a disguise and must be changed to .ps before conversion.) --Eddi (Talk) 00:09, 3 September 2005 (UTC)
- The better version has been converted to commons:image:dodecadeltahedron-2.gif. --Eddi (Talk) 11:25, 5 September 2005 (UTC)
Deltahedron[edit]
This is not a deltahedron. It cannot have equilateral triangles based on the following theorem:
The angle of an equilateral triangle is sharp enough so that 3, 4, or 5 triangles can meet at a vertex, but not for 6 because 60 * 6 is equal to 360, and thus that would make it a flat top. These have to be isosceles triangles, inconsistent with this category that says equilateral triangles. Georgia guy 23:38, 18 November 2005 (UTC)
Agreed, not a Deltahedron. I linked it as a hexagonal bipyramid, and perhaps it should be renamed as such. Tom Ruen 00:32, 18 July 2006 (UTC)