Ceva's theorem
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English
[edit]Etymology
[edit]Named after Italian mathematician Giovanni Ceva (1647-1734), to whom the discovery of the theorem is often attributed.
Proper noun
[edit]- (mathematics) A theorem about triangles in plane geometry, regards the ratio of the side lengths of a triangle divided by cevians.
Usage notes
[edit]In mathematical terms, the theorem states: let D, E, and F, be points on the sides BC, CA, and AB of a triangle (possibly extended). Then AD, BE, and CF are concurrent if and only if