Cartesian and parametric representations of the surface of a tetrahedron. (Représentations cartésiennes et paramétriques de la surface du tétraèdre.) (French) Zbl 1519.51008
This article presents equations that describe the surface of a tetrahedron in \({\mathbb R}^3\). These equations involve the signed volume of a tetrahederon or absolute values of the coordinates.
Reviewer: Franz Lemmermeyer (Jagstzell)
MSC:
51M04 | Elementary problems in Euclidean geometries |