There are four number of faces in a tetrahedron.
Four.Four.Four.Four.
You need at least 4 faces for a pyramid. That type is known as Tetrahedron (http:/en.wikipedia.org/wiki/Tetrahedron)
tetrahedron aka triangular pyramid
Well, a tetrahedron has four sides. A regular tetrahedron is a triangular pyramid.
There are four number of faces in a tetrahedron.
A tetrahedron is a 3-D shape. It has a different number of faces and edges and does not represent any particular number.
4
Four.Four.Four.Four.
You need at least 4 faces for a pyramid. That type is known as Tetrahedron (http:/en.wikipedia.org/wiki/Tetrahedron)
I am not a tetrahedron!
A tetrahedron is a triangular based pyramid that has 4 faces, 6 edges and 4 vertices.
tetrahedron aka triangular pyramid
Assuming a triangular base, i.e. a tetrahedron, the minimum number of edges is 6.
A tetrahedron has 4 faces.
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.