Congressus Numerantium, Volumes 129-131Utilitas Mathematica Pub. Incorporated, 1970 - Combinatorial analysis |
Contents
TRADITIONAL TRIANGLE GEOMETRY 8 | 1-2 |
POINTS AND LINES | 1-19 |
DISTANCES ANGLES CARTESIAN COORDINATES AREA | 1-25 |
Copyright | |
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Common terms and phrases
A-vertex a₁ AABC actual trilinear distances adjacent algorithm angle anticevian triangle anticomplementary triangle binary bisectors Brocard center of perspective central triangle centroid cevian triangle circumcenter circumcircle codes collinear connected graph construction Corollary cos² cycle defined denote diameter digraph dom(T domination graph edge equation equilateral Euler line example excentral triangle exists geometry given graph G graph of order homothetic incenter incircle induced subgraph integer isogonal isotomic conjugate Lemma Let G m-nonadjacent Mathematics medial triangle midpoint nine-point circle nodes orthic triangle orthocenter P₁ P₂ packing pair parallel parity partition perpendicular player polynomial center problem processors Proof Prove respectively result S₁ sequence sideline BC subgraph subset Suppose T₁ T₂ tangent tangential triangle Theorem triangle centers triangle geometry triangle of type vertex vertices well-covered X₁ X2-Ceva conjugate Z-cyclic αι απ