input geometriesyr16; figure(0,0,7.5u,4u); trace grille(0.5); pair M,N,L,S; S=placepoint(3,2); N=placepoint(11,1); L=placepoint(4,5); M=placepoint(7,7); marque_p:="croix"; nomme.ulft(S); nomme.ulft(L); nomme.lrt(N); nomme.urt(M); marque_p:="non"; fin; figuremainlevee(0,0,6u,5u); pair T,R,I; R=u*(0.75,0.75); I=u*(4.25,0.75); T=u*(0.75,3.25); trace triangle(T,R,I); trace codeperp(T,R,I,8); nomme.llft(R); nomme.ulft(T); nomme.lrt(I); finmainlevee; end