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Tetrahedron

E Vicipaedia
Tetrahedrum.

Tetrahedron[1] sive pyramis triangula[2] est polyhedrum quattuor faciebus triangulis, unum ex quinque corporibus Platonicis.

Nomen etiam tetraëdrum (a Graeco τετρα- 'quattuor' et ἕδρα 'sedes, facies'),[3][4], tetrahedrum[5] et tetrahedrus[6] scribitur.

  1. Iohannis Kepleri Harmonices mundi libri V, p. 57
  2. Fons nominis Latini desideratur (addito fonte, hanc formulam remove)
  3. Dictionary of Medieval Latin from British Sources apud ΛΟΓΕΙΟΝ, s.v. "tetraedrum"
  4. Kraus, L.A. (1844). Kritisch-etymologisches medicinisches Lexikon (Dritte Auflage). Göttingen: Verlag der Deuerlich- und Dieterichschen Buchhandlung.
  5. Ioannis Caramuelis Mathesis biceps: vetus et nova von Juan Caramuel de Lobkowitz
  6. Francisci Maurolyci Opera Mathematica
Quinque Corpora Platonica
Tetrahedron Hexahedron
aut Cubus
Octahedron Dodecahedron Icosahedron
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Geometria

Haec stipula ad geometriam spectat. Amplifica, si potes!