Spirale de pentagones

Auteur ou autrice : Vincent Zoonekynd.

Mise en ligne le 23 avril 2024

Code

beginfig(86)
  u:=1cm;
  pair A,B,C,D,E;
  A := (0,u);
  B := A rotated 72;
  C := B rotated 72;
  D := C rotated 72;
  E := D rotated 72;
  transform T;
  A transformed T = 1/5[A,B];
  B transformed T = 1/5[B,C];
  C transformed T = 1/5[C,D];
  path p;
  p := A--B--C--D--E--cycle;
  draw p;
  p := p transformed T; draw p;
  p := p transformed T; draw p;
  p := p transformed T; draw p;
endfig;

end.