input geometriesyr16; figure(0,0,4u,4u); trace papierpointe withcolor orange; pair A,B,C; A=placepoint(6,6); B=placepoint(7,4); C=placepoint(5,2); trace droite(placepoint(4,7),placepoint(4,0)); label.urt(btex $(d)$ etex,placepoint(4,0)); marque_p:="croix"; nomme.urt(A); nomme.urt(B); nomme.urt(C); fin; figure(0,0,4u,4u); trace papierpointe withcolor orange; pair E,F,D; D=placepoint(6,6); E=placepoint(1,5); F=placepoint(2,7); trace droite(placepoint(7,4),placepoint(0,4)); label.ulft(btex $(d)$ etex,placepoint(7,4)); marque_p:="croix"; nomme.urt(D); nomme.urt(E); nomme.urt(F); fin; figure(0,0,4u,4u); trace papierpointe withcolor orange; pair G,H,K; G=placepoint(5,7); H=placepoint(2,3); K=placepoint(3,6); trace droite(placepoint(1,1),placepoint(7,7)); label.lrt(btex $(d)$ etex,placepoint(1,1)); marque_p:="croix"; nomme.ulft(G); nomme.ulft(H); nomme.ulft(K); fin; figure(0,0,4u,4u); trace papierpointe withcolor orange; pair L,M,N; L=placepoint(2,6); M=placepoint(4,5); N=placepoint(7,5); trace droite(placepoint(1,7),placepoint(7,0)); label.urt(btex $(d)$ etex,placepoint(1,7)); marque_p:="croix"; nomme.urt(L); nomme.urt(M); nomme.urt(N); fin; end