- In geometry, a
tetrahedron (pl.:
tetrahedra or tetrahedrons), also
known as a
triangular pyramid, is a
polyhedron composed of four
triangular faces, six...
- The
Tetrahedron in
Bottrop (German:
Bottrop Tetraeder or
officially Haldenereignis Emscherblick) is a
walkable steel structure in the form of a tetrahedron...
-
interactive illustration Convex sum/combination with a
hexagon -
interactive illustration Convex sum/combination with a
tetraeder -
interactive illustration...
- in
particular page 14 Hoppe, R. (1877), "Über
rationale Dreikante und
Tetraeder",
Archiv der
Mathematik und Physik, 61: 86–98, as
cited by
Chisholm &...
- Schönhardt, E. (1928). "Über die
Zerlegung von Dreieckspol****ern in
Tetraeder".
Mathematische Annalen: 309–312. doi:10.1007/BF01451597. Skilling, John...
-
convention center Alpincenter - the world's
longest indoor ski
slope Tetraeder is a 50-m-tall
walkable steel tetrahedron,
placed on a 90-m slag heap...
- "The
Onion wins Alex Jones'
Infowars in
bankruptcy auction". NBC News.
Tetraeder,
Bryce P. (November 14, 2024). "Here's Why I
Decided To Buy 'InfoWars'"...
- Graupner, Rene; Layh, Marcus; Schütz, Uwe (1995). "In4{C(SiMe3)3}4 mit In4-
tetraeder und In4Se4{C(SiMe3)3}4 mit In4Se4-heterocubanstruktur".
Journal of Organometallic...
- Uhl W,
Graupner R, Layh M, Schütz U (1995). "In4{C(SiMe3)3}4 mit In4-
tetraeder und In4Se4{C(SiMe3)3}4 mit In4Se4- heterocubanstruktur".
Journal of Organometallic...
-
Arithmetica 18 (1971), 297–310. E. Hertel, Zwei
Kennzeichnungen der
Hillschen Tetraeder, J. Geom. 71 (2001), no. 1–2, 68–77. Greg N. Frederickson, Dissections:...
