A Tetrahedron is a convex polyhedron that has four faces. According to Wikipedia the tetrahedron is a three dimensional triangular pyramid of four faces.
Chat with our AI personalities
A tetrahedron must be plane faced and so, it is just an ordinary tetrahedron.
Well, a tetrahedron has four sides. A regular tetrahedron is a triangular pyramid.
A Tetrahedron. The most common form of a tetrahedron is called a regular tetrahedron, or a pyramid
A tetrahedron has 4 vertices.
A tetrahedron need not have any symmetry.