How to use in-sentence of “tetrahedron”:
– For example, a tetrahedron has 4 vertices, and a pentagon has 5 vertices.
– A regular tetrahedron is a tetrahedron where all of its edges are the same length.
– The volume of any tetrahedron that shares three converging edges of a parallelepiped has a volume equal to one sixth of the volume of that parallelepiped.
– A tetrahedron is a three-dimensional shape.
– Of the five platonic polyhedra, only the tetrahedron is dual to itself.
– The vertices of the octahedron lie at the midpoints of the edges of the tetrahedron, and in this sense it relates to the tetrahedron in the same way that the cuboctahedron and icosidodecahedron relate to the other Platonic solids.
