@options

@figure;
  N = point( -2.86 , -0.17 )  { i };
  O = point( -3.96 , -0.7 )  { i };
  ceNO = cercle( N , O )  { i };
  xx = reel( 96 , 0 , 360 , 1 )  { oscille , (7.67,-8) , i };
  var yy = 180*cos(xx)+180 { 161.184876611822 };
  A = pointsur( ceNO , yy )  { rouge , rond2 };
  B1 = point( -1.1 , -2.87 )  { i };
  ciAB = cercle( A , B1 )  { rouge , plein10 };
  gogeometry = texte( 3.6 , -6 ,"gogeometry.com")  { dec1 , car-3 };
  click = texte( -5.5 , -6 ,"Click the left button to start/stop the animation")  { rouge , dec2 , car-3 };
  L = point( -2.53 , 2.7 )  { i };
  M = point( -1 , 2.73 )  { i };
  sLM = segment( L , M )  { i };
  k1 = reel( 0.1 , 0 , 1 , 0.02 )  { oscille , (7.77,-7.77) , i };
  B = point( -2.3 , 2.73 )  { rouge , rond3 , (-0.6,-0.47) };
  D1 = point( 0.9 , 4.53 )  { i };
  ciCD = cercle( B , D1 )  { rouge , plein10 };
  J = point( 1.2 , -0.47 )  { i };
  K = point( 1.97 , 1.37 )  { i };
  sJK = segment( J , K )  { i };
  k = reel( 0.6 , 0 , 1 , 0.02 )  { oscille , (7.77,-7.77) , i };
  C = pointsur( J , K , k )  { rouge , rond2 };
  F1 = point( 3.9 , -2.63 )  { i };
  ciEF = cercle( C , F1 )  { rouge , plein10 };
  D' = intersection( ciAB , ciCD , 1 )  { rond2 , (-0.57,-0.94) };
  D = intersection( ciAB , ciCD , 2 )  { rond2 };
  E = intersection( ciEF , ciCD , 1 )  { rond2 , (-0.23,0.2) };
  E' = intersection( ciEF , ciCD , 2 )  { rond2 , (0.37,-0.8) };
  F = intersection( ciAB , ciEF , 1 )  { rond2 , (-0.47,-1.03) };
  F' = intersection( ciAB , ciEF , 2 )  { rond2 , (0.03,0.27) };
  lG1G = droite( D' , D )  { 7 , sansnom };
  sD'D = segment( D' , D )  { 3 };
  lH1H = droite( E , E' )  { 7 , sansnom };
  sH11H = segment( E , E' )  { 3 };
  lII1 = droite( F' , F )  { 7 , sansnom };
  sBBI1 = segment( F' , F )  { 3 };
  P:ConcurrentPoint = intersection( lH1H , lG1G )  { rond3 , car-2 , (0.3,-0.43) };
  CommonChord.AB = pointsur( sD'D , 0.14 )  { croix0 , car-4 , (-0.37,-0.69) };
  CommonChord.BC = pointsur( sH11H , 0.84 )  { croix0 , car-4 , (0.17,-0.46) };
  CommonChord.AC = pointsur( sBBI1 , 0.14 )  { croix0 , car-4 , (0.06,0.04) };


@config;
couleurfonddessin=0xF2FFFF;
boutons=animation;