verbatimtex
%&latex
\documentclass{article}
\usepackage[frenchb]{babel}
\begin{document}
etex
%

input geometriesyr16;

figuremainlevee(0,0,10u,10u);
pair A,B,C;
A=u*(0.75,0.75);
B=u*(4,1.25);
C=demidroite(A,rotation(B,A,48)) intersectionpoint%
demidroite(B,rotation(A,B,-84));
trace triangle(A,B,C);
trace appelation(A,B,-2mm,btex 8~cm etex);
trace marqueangle(C,B,A,0);
label.ulft(btex 84\degres etex,w);
trace marqueangle(B,A,C,0);
label.urt(btex 48\degres etex,w);
nomme.llft(A);
nomme.lrt(B);
nomme.top(C);
finmainlevee;

end