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In geometry, an octahedron ( pl.: octahedra or octahedrons) is a polyhedron with eight faces. The term is most commonly used to refer to the regular octahedron, a Platonic solid composed of eight equilateral triangles, four of which meet at each vertex . A regular octahedron is the dual polyhedron of a cube.
- OaT
- 8 {3}
- F = 8, E = 12V = 6 (χ = 2)
- Platonic solid
Un octaedro u octoedro (del griego ὀκτώ "ocho" y ἕδρα "asiento" o "cara") es un poliedro de ocho caras. Con este número de caras puede ser un poliedro convexo o un poliedro cóncavo. Sus caras pueden ser poliedros de siete lados o más.
Un octaedro es un poliedro con ocho caras o planos, que puede ser regular o irregular. Conoce sus propiedades de simetría, su poliedro conjugado, sus usos en la naturaleza, los juegos de rol y la editorial.
Learn about the octahedron, a polyhedron with 8 equilateral triangular faces, 12 edges and 6 vertices. Find out its volume, surface area, and how to make a fair dice out of it.
12. Nov. 2023 · The octahedron is a geometric shape and a polyhedron. It is one of the five Platonic solids, which are regular polyhedra with identical faces, edges, and vertices. The octahedron has eight faces, twelve edges, and six vertices. Each face of the octahedron is an equilateral triangle, and all the faces are congruent to each other.
30. Mai 2024 · A (general) octahedron is a polyhedron having eight faces. Examples include the 4-trapezohedron, augmented triangular prism (Johnson solid J_(49)), bislit cube, Dürer solid, elongated gyrobifastigium, gyrobifastigium (Johnson solid J_(26)), heptagonal pyramid, hexagonal prism, regular octahedron, square dipyramid, triangular cupola (Johnson solid J_3), tridiminished icosahedron (Johnson solid ...
The regular octahedron, often simply called "the" octahedron, is the Platonic solid with six polyhedron vertices, 12 polyhedron edges, and eight equivalent equilateral triangular faces, denoted 8{3}. It is illustrated above together with a wireframe version and a net that can be used for its construction. The regular octahedron is also the uniform polyhedron with Maeder index 5 (Maeder 1997 ...
