@options;

@figure;
  gogeometry = texte( -5.5 , -6.1 ,"Antonio Gutierrez.     www.gogeometry.com")  { rougefonce , dec1 , car-3 };
  click = texte( -5.5 , -5.7 ,"Click this button to start/stop the animation")  { rougefonce , dec2 , car-3 };
  A = point( -3.43 , -3 )  { rond3 , (-0.26,-0.03) };
  N2an = point( -0.15 , 3.86 )  { i };
  N1an = point( -1.39 , 3.39 )  { i };
  ceN2N1 = cercle( N2an , N1an )  { i };
  xx = reel( 353.5 , 0 , 360 , 2.5 )  { oscille , (7.67,-8) , i };
  var yy = 180*cos(xx)+150 { 328.842934021786 };
  B = pointsur( ceN2N1 , yy )  { rond2 , (-0.37,-0.94) };
  C = point( 3.8 , -3 )  { rond3 , (-0.06,-0.07) };
  sAB = segment( A , B )  { noir , 3 };
  sBC = segment( B , C )  { noir , 3 };
  sAC = segment( A , C )  { noir , 3 };
  polyABC = polygone( A , B , C  )  { stop , jaune , plein60 };
  D = pointsur( sAB , 0.4 )  { rond3 , (-0.74,-0.43) };
  paraD5sAC = parallele( D , sAC )  { i };
  E = intersection( sBC , paraD5sAC )  { (0.18,-0.42) };
  polyADEC = polygone( A , D , E , C  )  { rouge , plein20 };
  sDE = segment( D , E )  { 2 };
  P6 = pointsur( sDE , 0.7 )  { i };
  G6 = point( 2.84 , 1.42 )  { (-0.45,-0.49) , i };
  sP6G6 = segment( P6 , G6 )  { grisclair };
  P3 = texte( G6 ,"Given: Trapezoid ADEC")  { stop , vertfonce , (-0.07,-0.59) , dec2 , car-3 };
  sAE = segment( A , E )  { stop , vertfonce };
  sCD = segment( C , D )  { stop , vertfonce };
  F = intersection( sAE , sCD )  { stop , rouge , rond3 , (0,0.1) };
  dBF = droite( B , F )  { i };
  M = intersection( sAC , dBF )  { rouge , rond3 };
  sBM = segment( B , M )  { stop };
  N = intersection( sDE , sBM )  { stop , rouge , rond3 , (-0.72,-0.81) };
  P4 = texte( M ,"To Prove: M midpoint of AC")  { stop , rouge , (-0.68,0.63) , dec2 , car-2 };
  P5 = texte( M ,"N midpoint of DE")  { stop , rouge , (1.12,1.18) , dec2 , car-2 };

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