It has 8 edges.
18 edges
Six.
Six.
There are 6 edges on a tetrahedron. The triangular base has 3, plus one for each lateral face.43 edges
Six.
A cantellated regular tetrahedron, in the form of a regular cuboctahedron, has 14 faces (8 triangular, and 6 square), 24 edges and 12 vertices.
A tetrahedron has 6 edges.
A tetrahedron is a triangular based pyramid that has 4 faces, 6 edges and 4 vertices
The base of a tetrahedron has three edges.
A tetrahedron has:4 faces4 vertices6 edges
It has 8 edges.
6 edges
18 edges
A tetrahedron has 6 edges.
Six.
Six.