RS exercice
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@ -88,4 +88,30 @@ Les traits qui les relient sont appellés des arrêtes.
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Le rayon de notre graphe est de 2.
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\end{example}
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\begin{exercice}
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Pour le graphe suivant, trouvez l’excentricité de chaque sommet, puis les centres et le rayon du graphe.
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\end{exercice}
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\begin{figure}[ht]
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\centering
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\begin{tikzpicture}
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\node[shape=circle,draw=black] (A) at (2,4) {A};
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\node[shape=circle,draw=black] (B) at (6,4) {B};
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\node[shape=circle,draw=black] (C) at (8,2) {C};
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\node[shape=circle,draw=black] (D) at (6,0) {D};
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\node[shape=circle,draw=black] (E) at (2,0) {E};
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\node[shape=circle,draw=black] (F) at (0,2) {F} ;
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\node[shape=circle,draw=black] (G) at (4,6) {G} ;
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\path (A) edge (B);
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\path (A) edge (E);
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\path (A) edge (F);
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\path (B) edge (G);
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\path (B) edge (D);
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\path (C) edge (D);
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\path (D) edge (E);
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\path (E) edge (F);
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\end{tikzpicture}
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\caption{Un second example de graphe} \label{fig:M1}
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\end{figure}
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\end{document}
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