input gdd;
input gdd-rep;
input gdd-lbl;
input gdd-tra;
input svgnames;

lblPreambule := "\usepackage[frenchb]{babel}"       &
                "\usepackage[garamond]{mathdesign}" &
                "\usepackage{amsmath}";

labeloffset := 6;

gddTaillePoint := 2;
gddCouleurPoint := Yellow;



beginfig(1);

 Repere(9,9,4,5,0.8,0.8);
 Axes; 
 Debut;
  Axes;
  Graduations; Unites(1);

  C1 = Cercle((1,1),3);
  C2 = Cercle((-1,-2),1);

  T1 = TangenteCommuneExterieure(C1,C2);
  T2 = TangenteCommuneExterieure(C2,C1);

  drawoptions(withcolor LightSlateGrey);
  trace C1;
  trace C2;

  drawoptions(withcolor Olive);
  trace T1;
  trace T2;

  drawoptions();
  pointe Point(1,1);
  pointe Point(-1,-2);

 Fin;


endfig;

end