\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}

  
\setlength{\unitlength}{1mm}  
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\put(40,12){\makebox(0,0)[b]{$B$}}  
\put(70,12){\makebox(0,0)[b]{$C$}}  
\put(50,12){\makebox(0,0)[b]{$A$}}  
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\put(100,20){\vector(-1,0){100}}  
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\thicklines  
\put(40,9){\trtv}  
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\put(50,10){\circle*{1}}  
\put(40,19){\trtv}  
\put(70,19){\trtv}  
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\end{picture}
  

\end{document}

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