input geometriesyr16; figuremainlevee(0,0,8u,6u); pair A,B,S,T,U; B=u*(0.75,0.75); S-B=u*(4,0); T-B=u*(0,3); U=1.5/5[T,S]; A=cercles(T,3u) intersectionpoint perpendiculaire(T,S,U); trace polygone(B,T,A,S); trace droite(T,S); trace segment(A,U); trace codeperp(T,B,S,8); trace codeperp(A,U,S,8); trace appelation(T,A,2mm,btex 3 etex); trace appelation(B,T,2mm,btex 3 etex); trace appelation(B,S,-2mm,btex 4 etex); trace appelation(T,U,2mm,btex 1,5 etex); nomme.llft(B); nomme.bot(S); nomme.llft(U); nomme.top(T); nomme.top(A); finmainlevee; end