Einfach einen Begriff in der Tabelle rechts anklicken um weitere Übersetzungen in dieser Sidebar zu erhalten.
In geometry, a tetrahedron , also known as a triangular pyramid, is a polyhedron composed of four triangular faces, six straight edges, and four vertex corners. The tetrahedron is the simplest of all the ordinary convex polyhedra and the only one that has fewer than 5 faces.[1]