Nonagram

Nonagram

In der Geometrie versteht man unter einem Stern ein reguläres (gleichseitiges und gleichwinkliges) überschlagenes ebenes Polygon.

Überschlagen bedeutet, dass sich die Seiten innerhalb des Polygons schneiden.

Ecken Anzahl der regulären Sternpolygone
3 0
4 0
5 1 (Pentagramm)
6 1 (Hexagramm)
7 2 (Heptagramm)
8 2 (Achterstern, Achtort)
9 3 (Enneagramm)
10 3 (Dekagramm)
n \left \lfloor \frac{n-3}{2} \right \rfloor

Inhaltsverzeichnis

Siebenstern (Heptagramm)

Achtstern (Oktagramm)

Neunstern (Enneagramm)

Weitere Bezeichnungen

  • Zehnstern = Dekagramm
  • Elfstern = Hendekagramm
  • Zwölfstern = Dodekagramm
  • Dreizehnstern = Tridekagramm
  • Zwanzigstern = Icosagramm

Siehe auch

Sternpolyeder

Weblinks


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