\documentclass[a4paper,12pt]{article}
\usepackage{epic, eepic}

\usepackage{amsmath, amssymb, hymcbk, xspace}
\usepackage{euscript,  array}
\usepackage[T1]{fontenc}
%\usepackage{tipa1}
%\usepackage{calc, wasysym, textcomp, ulsy}

\begin{document}
\pagestyle{empty}

% angles aigü, droit, obtus  
  

\setlength{\unitlength}{1mm}  

\begin{picture}(100,30)  
\thicklines  
\put(10,5){\circle*{1}}\put(10,5){\line(1,0){15}}\put(10,5){\line(1,2){10}}  
\put(45,5){\circle*{1}}\put(45,5){\line(1,0){15}}\put(45,5){\line(0,1){20}}  
\put(85,5){\circle*{1}}\put(85,5){\line(1,0){15}}\put(85,5){\line(-2,1){20}}  
\put(25,10){\makebox(0,0)[b]{\footnotesize acute angle}}  
\put(55,10){\makebox(0,0)[b]{\footnotesize right angle}}  
\put(85,10){\makebox(0,0)[b]{\footnotesize obtuse angle}}  
\end{picture}  
  

  

\end{document}

%%% Local Variables: 
%%% mode: latex
%%% TeX-master: t
%%% End: 
