Coloriage d’une étoile

Auteur ou autrice : Vincent Zoonekynd.

Mise en ligne le 22 avril 2024

Code

beginfig(77)
  pair A,B,C,D,E;
  A := (1cm,0);
  B := A rotated 72;
  C := B rotated 72;
  D := C rotated 72;
  E := D rotated 72;
  pair AA, BB, CC, DD, EE;
  AA = whatever [A, C];
  AA = whatever [B, D];
  BB = whatever [B, D];
  BB = whatever [C, E];
  CC = whatever [C, E];
  CC = whatever [D, A];
  DD = whatever [D, A];
  DD = whatever [E, B];
  EE = whatever [E, B];
  EE = whatever [A, C];
  fill A--C--E--B--D--cycle withcolor .8white;
  fill AA--BB--CC--DD--EE--cycle withcolor white;
  draw A--C--E--B--D--cycle;
endfig;

end.