# Edge length of a regular tetrahedron

## Calculates the edge length and surface area of a regular tetrahedron from the volume.

 volume V 6dgt10dgt14dgt18dgt22dgt26dgt30dgt34dgt38dgt42dgt46dgt50dgt edge length a surface area S
 $\normal Regular\ tetrahedron\\(1)\ volume:\hspace{50} V={\large\frac{\sqrt{2}}{12}}a^3\\\vspace{5}(2)\ surface\ area:\hspace{10} S=\sqrt{3}a^2\\$

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