
In geometry, a cevian is any line segment in a triangle with one endpoint on a vertex of the triangle and the other endpoint on the opposite side. Medians, altitudes, and angle bisectors are special cases of cevians. The name cevian comes from the Italian engineer Giovanni Ceva, who proved a well-known theorem about cevians which also bears his na...
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http://en.wikipedia.org/wiki/Cevian

A line segment extending from a vertex of a triangle to the opposite side. See also: Triangle.
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https://www.encyclo.co.uk/local/20687
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