Question

each face of tetrahedron is a​

Answer 1

Answer:

Triangle

Step-by-step explanation:

Answer 2

Answer:

triangle

Step-by-step explanation:

In geometry, a tetrahedron (plural: tetrahedra or tetrahedrons), also known as a triangular pyramid, is a polyhedron composed of four triangular faces, six straight edges, and four vertex corners. The tetrahedron is the simplest of all the ordinary convex polyhedra and the only one that has fewer than 5 faces.