What is the shape of tetrahedron?

Answer 1

A tetrahedron is the smallest possible polyhedron: a closed 3-d shape with polygonal faces. It has 4 triangular faces, 4 vertices and 6 edges. It is also known as a triangle-based pyramid.

Answer 2

A tetrahedron is a three-dimensional geometric shape with four triangular faces, six edges, and four vertices. Its shape resembles a pyramid, where each of the four faces is an equilateral triangle.