"Tetra" is the Greek word for "four," and the word "hedron" translates to "face." So a tetrahedron has four faces, all of which are triangles.
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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 is a triangular based pyramid that has 4 faces, 6 edges and 4 vertices
A Tetrahedron. The most common form of a tetrahedron is called a regular tetrahedron, or a pyramid
There are four number of faces in a tetrahedron.
Yes. A tetrahedron is a closed 3-d shape with 4 triangular faces. In a regular polygon, each of these is an equilateral triangle.