Talk:Triangular bipyramid

Triangular bipyramid is currently a Mathematics and mathematicians good article nominee. Nominated by Dedhert.Jr (talk) at 00:33, 25 October 2024 (UTC)

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Short description: Two tetrahedra joined by one face

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Polyhedra

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Untitled section

59.88.114.15 17:20, 22 August 2006 (UTC)Bhaswanth::::---------> Actually the diagram showing what a triangular bipyramid is the correct one. But the graphic representation of it which is at the last line of the article, is not the actual correct representaion of it. It has for the two(2) pyramids base as a square but it must contain a another triangle for its base.[reply]

Inconsistency?

Second sentence of article: It is the dual of the triangular prism with 6 isosceles triangle faces...

In section Dual polyhedron: The dual polyhedron of the triangular bipyramid is the triangular prism, with five faces: two parallel equilateral triangles linked by a chain of three rectangles.

Looks like first sentence is wrong. Jumpow (talk) 20:08, 4 March 2018 (UTC)[reply]

WTF images?

The images in this article of the triangular bipyramid are seriously awful. They had me thinking for a good hour that this was some kind of weird configuration of points and not intuitive at all. And then I look up images of it anywhere else and it's just an equilateral triangle with two opposite points. Cstanford.math (talk) 00:15, 21 April 2021 (UTC)[reply]

the graph

The triangular bipyramid is represented by a graph with nine edges, constructed by adding one vertex connecting to three other vertices of wheel graph representing a square pyramid.

I do not follow this. The square pyramid has five vertices; the 3-bipyramid has five vertices. What vertex is added, and to which three is it joined? Did you mean to say that a vertex is added to the tetrahedron graph?

Every convex polyhedron has a corresponding polyhedral graph, and I question the need to mention it. —Tamfang (talk) 01:07, 21 July 2024 (UTC)[reply]

@Tamfang Oh yeah. It should be tetrahedron graph. The source from Tutte described

W_{4}

as tetrahedra graph, instead of square pyramid. My apologies, but will check it again later. Dedhert.Jr (talk) 01:38, 21 July 2024 (UTC)[reply]