Commandino's Theorem

The four medians of a tetrahedron concur in a point which divides each tetrahedron median in the ratio 1:3, the longer segment being on the side of the vertex of the tetrahedron.

See also

Bimedian, Tetrahedron, Tetrahedron Median

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Altshiller-Court, N. "Commandino's Theorem." §170 in Modern Pure Solid Geometry. New York: Chelsea, pp. 51-52, 1979.Commandino, F. Prop. 17 in De centro gravitatis solidorum. p. 21, 1565.

Referenced on Wolfram|Alpha

Commandino's Theorem

Cite this as:

Weisstein, Eric W. "Commandino's Theorem." From MathWorld--A Wolfram Web Resource.

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