Surface area of a regular tetrahedron

Description

The tetrahedron is one kind of pyramid, which is a polyhedron with a flat polygon base and triangular faces connecting the base to a common point. A regular tetrahedron is one in which all four faces are equilateral triangles The surface area of the regular tetrahedron can be computed by the edge length

Related formulas

Variables

ASurface area (m2)
aEdge length (m)