%% 
%%  Ein Beispiel der DANTE-Edition
%%  
%%  7. Auflage
%% 
%%  Beispiel 28-01-30 auf Seite 604.
%% 
%%  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{121.16928pt}
\setlength\parindent{0pt}
%StartShownPreambleCommands
\usepackage{pst-eucl}
%StopShownPreambleCommands
\begin{document}
\begin{pspicture}(-2,-2)(2,1.25)%
  \psset{arrowscale=2}
  \pstGeonode(-1.5,-.2){A}(.5,.2){B}(0.5,-2){C}
  \pstRotation[AngleCoef=1.4,RotAngle=\pstAngleAOB{C}{A}{B},
     CodeFigColor=red,CodeFig=true,
     TransformLabel=1.5\widehat{BAC}]{A}{C}[E]
  \pstRotation[AngleCoef=0.5,RotAngle=\pstAngleAOB{C}{A}{B},
     CodeFigColor=blue,CodeFig=true]{A}{C}[F]
\end{pspicture}
\end{document}