List of triangle topics
This list of triangle topics includes things related to the geometric shape, either abstractly, as in idealizations studied by geometers, or in triangular arrays such as Pascal's triangle or triangular matrices, or concretely in physical space. It does not include metaphors like "love triangle" in which the word has no reference to the geometric shape.
Geometry
Algebra
Number theory
Triangular arrays of numbers
- Bell numbers
- Boustrophedon transform
- Eulerian number
- Floyd's triangle
- Lozanić's triangle
- Narayana number
- Pascal's triangle
- Rencontres numbers
- Romberg's method
- Stirling numbers of the first kind
- Stirling numbers of the second kind
- Triangular number
- Triangular pyramidal number
The (incomplete) Bell polynomials from a triangular array of polynomials (see also Polynomial sequence).
Integers in triangle geometry
Geography
- Bermuda Triangle
- Historic Triangle
- Parliamentary Triangle, Canberra
- Research Triangle
- Sunni Triangle
- Triangular trade
Anatomy
Artifacts
Symbols
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