Pirâmide triangular alongada
Pirâmide triangular alongada
| |
|---|---|
 | |
| Tipo | Sólidos de Johnson J6 – J7 – J8 |
| Faces | 4 triângulos 3 quadrados |
| Arestas | 12 |
| Vértices | 7 |
| Configuração dos vértices | 1(33) 3(3.42) 3(32.42) |
| Grupo de simetria | C3v, [3], (*33) |
| Área de superfície | [1] |
| Volume | [1] |
| Poliedro dual | autodual |
| Propriedades | |
| ambiquiral, convexo, rígido[1] | |
| Planificação | |
 | |
Em geometria, a pirâmide triangular alongada é um dos Sólidos de Johnson (J7). Como o nome sugere, pode ser construído alongando-se um tetraedro ao juntar um prisma triangular a sua base. Como qualquer pirâmide alongada, o sólido resultante é topologicamente, mas não geometricamente, autodual.
Referências
- ↑ a b c «Elongated triangular pyramid». WolframAlpha. Consultado em 13 de abril de 2017
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