Question

what is Tetrahedron?​

Answer 1

triangular pyramid is called tetrahedron

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Answer 2

Question⤵

what is Tetrahedron?

Answer ⤵

The regular tetrahedron, often simply called "the" tetrahedron, is the Platonic solid with four polyhedron vertices, six polyhedron edges, and four equivalent equilateral triangular faces, . It is also uniform polyhedron and Wenninger model . It is described by the Schläfli symbol and the Wythoff symbol is. .

Or

In geometry, a tetrahedron, 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.

Number of faces: 4

Volume: (√2)/12 × a³

Number of vertices: 4

Number of edges: 6

Base shape: Triangle

Side shape: Triangle

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