%% 
%%  Ein Beispiel der DANTE-Edition
%%  
%%  7. Auflage
%% 
%%  Beispiel 28-02-24 auf Seite 618.
%% 
%%  Copyright (C) 2016 Herbert Voss
%% 
%%  It may be distributed and/or modified under the conditions
%%  of the LaTeX Project Public License, either version 1.3
%%  of this license or (at your option) any later version.
%% 
%%  See http://www.latex-project.org/lppl.txt for details.
%% 
%% 
%% ==== 
% Show page(s) 1
%% 
%% 
\documentclass[]{exaarticle}
\pagestyle{empty}
\setlength\textwidth{169.16928pt}
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage{pst-eucl}
%StopShownPreambleCommands
\begin{document}
\begin{pspicture}(-2,-1)(2,2.5)
  \pstGeonode[PosAngle={0,-75,45}]%
    {A}(2,2){B}(-1.5,1){C}
  \pstLineAB[nodesepA=-2]{A}{B}
  \pstLineAB[linewidth=1pt]{A}{B}
  \pstLineAB[linewidth=1pt]{A}{C}
  \psset{MarkAngleRadius=1,LabelSep=0.75,
    LabelAngleOffset=15}
  \pstMarkAngle[arrows=->]{B}{A}{C}{$\alpha$}
  \pstSymO[PointSymbol=none,PointName={}]{A}{B}
  \pstMarkAngle[arrows=->]{C}{A}{B'}{$\beta$}
  \pstBissectBAC[linestyle=dotted]{B}{A}{C}{A'}
  \pstOutBissectBAC[linestyle=dashed,
    PosAngle=-90]{B}{A}{C}{A''}
\end{pspicture}
\end{document}