Chat with our AI personalities
A Tetrahedron is a convex polyhedron that has four faces. According to Wikipedia the tetrahedron is a three dimensional triangular pyramid of four faces.
Tetrahedron: It is the smallest "regular solid" (Edges=Faces+Corners-2), 4 faces, each one an equilateral triangle. 4 corners
A triangular pyramid is called a Tetrahedron ■
Well, a tetrahedron has four sides. A regular tetrahedron is a triangular pyramid.
A tetrahedron must be plane faced and so, it is just an ordinary tetrahedron.