input geometriesyr16; figureespace(-10u,-10u,10u,10u); Initialisation(5,30,20,500); color A,B,C,D,E,F,G,H; trace Cube(A,B,C,D,F,G,H,E); trace chemin(C,A,E) dashed dashpattern(on12bp off6bp% on3bp off6bp); trace cercles(A,1/5[A,C],A,C,G) cutafter segment(A,E); nomme.lft(A); nomme.lrt(C); nomme.urt(E); finespace; end