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*Triangles*

*This nOde
last updated February 13, 2019 and is permanently morphing...**
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A triangle is a polygon with
three edges and three vertices. It is one of the basic shapes in
geometry.

In Euclidean geometry any three points, when non-collinear, determine
a unique triangle and simultaneously, a unique plane (i.e. a
two-dimensional Euclidean space). In other words, there is only one
plane that contains that triangle, and every triangle is contained in
some plane. If the entire geometry is only the Euclidean plane, there
is only one plane and all triangles are contained in it; however, in
higher-dimensional Euclidean
spaces, this is no longer true. This article is about triangles in
Euclidean geometry, and in particular, the Euclidean plane, except
where otherwise noted.

- track _Triangles & Rhombuses_ MP3 by Boards Of Canada off of _Music Has The Right To Children_ on Warp (1998)
- acid jazz/future jazz track _A-L'uomo_ MP3 (160k) by Mr. Electric Triangle off of _Kosmosis Of The Heart_ 12"x2 on 2 Kool #020 (1995)

- Sri
Yantra

- Bermuda Triangle
- valknut
- delta
- in basketball, the triple post triangle offense