input geom2d; beginfig(1); O = Point(0,0); P = Point(2,1); A = Point(3,2); Q = Point(-1,2); R = Point(0,4); B = SimilitudeACentre(A,P,Pi/3,0.7); marque.bot "P"; T = Triangle(A,Q,R); T'= SimilitudeACentre(T,P,Pi/3,0.7); trace T; trace T'; C = Cercle(A,1.5); trace C; CC = SimilitudeACentre(C,P,Pi/3,0.7); trace CC; Q1 = PolygoneRegulier(10,2,0,(2,2)); trace Q1; Q2 = SimilitudeACentre(Q1,P,Pi/3,0.7); trace Q2; endfig; end.