% Cercle d'Euler % 1. Definition des points caracteristiques de la geometrie \figinit{0.8cm} % Sommets \figpt 1:$A$(0,3) \figpt 2:$B$(-1,-2) \figpt 3:$C$(5,-2) \figptbary 11:$A'$[2,3;1,1] \figptbary 12:$B'$[1,3;1,1] \figptbary 13:$C'$[1,2;1,1] \figptcircumcenter 4:$O$[1,2,3]\figget distance=\Rcc[1,4] \figptorthocenter 5 :$H$[1,2,3] \figptbary 21:$m_a$[1,5;1,1] \figptbary 6:$\omega$[4,5;1,1]\figget distance=\Rce[11,6] \figptbary 7:$G$[1,2,3;1,1,1] \figptorthoprojline 31 :$a$=1/2,3/ % 2. Creation du fichier graphique \figdrawbegin{} \figdrawline[1,2,3,1]\figdrawline[1,31]\figdrawline[1,11]\figdrawline[11,4] \figdrawcirc 4(\Rcc)\figdrawcirc 6(\Rce) \figptbary 40:[4,5;2,-1]\figptbary 41:[4,5;-2,5]\figdrawline[40,41] \figdrawend % 3. Inscription du texte sur le dessin \def\dist{2pt} \figvisu{\figBoxA}{\it Le cercle d'Euler \rm(p. 108)}{% \figwritenw 1,13:(\dist)\figwritesw 2:(\dist)\figwritese 3,5:(\dist) \figwritene 12:(\dist)\figwrites 11,31:(\dist)\figwriten 4:(\dist) \figwritegce 7:(\dist,-1pt)\figwritege 21:(\dist,-0.1pt) \figptcirc 0 :$(\Gamma)$: 4;\Rcc (45)\figwritene 0:(\dist) \figptcirc 0 :$(\gamma)$: 6;\Rce (-15)\figwritese 0:(\dist) \figset write(mark=$\figBullet$)\figwritenw 6:(\dist) } \centerline{\box\figBoxA}