Antiprisma dodekagonal
| Antiprisma dodekagonala | |
|---|---|
| |
| Taldea | Poliedro prismatiko erregularrak |
| Aurpegi kopurua | 2 endekagono + 24 hiruki |
| Ertz kopurua | 48 |
| Erpin kopurua | 24 |
| Aurpegiak | dodekagonoak eta hirukiak |
| Erpin-konfigurazioa | 3.3.3.12 |
| Simetria-taldea | D12d |
| Schläfli sinboloa | s{2,12} |
| Propietateak | Erdierregularra, ganbila |
| Poliedro duala | Trapezoedro dodekagonala |
 Garapena (gainazala) | |
Geometrian, antiprisma dodekagonala oinarritzat bi dodekagono (berdinak, baina bata bestearekiko biraturik) eta albo-aurpegitzat triangeluak dituen poliedroa da. Oinarri baten erpin bat haren parean beste oinarrian dauden ondoz ondoko bi erpinak lotzean sortzen dira albo-aurpegi triangeluarrak. Adibidez, bi oinarriak dodekagonoak dituen prisma batean (bi oinarriek zentro bera dute, baina bata bestearekiko 15° edo π/12 radian biratuta dago), bi oinarrien hogeita lau erpinak lotzen dituzten berrogeita zortzi ertz daude eta irudiak, beraz, hogeita lau albo-alde triangeluar ditu: antiprisma dodekagonal simetriko bat da[1].
Ikus gainera
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Erreferentziak eta oharrak
- ↑ Elhuyar Zientzia eta Teknologiaren Hiztegi Entziklopedikoa. Antiprisma. .
Kanpo estekak
- (Ingelesez) Weisstein, Eric W.: "Antiprisma dodekagonal" MathWorld-en.
| Autoritate kontrola |
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Datuak: Q2853337
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