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%%
%% Ein Beispiel der DANTE-Edition
%%
%%
%% Copyright (C) 2010 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{142.324pt}
\setlength\parindent{0pt}
\StartShownPreambleCommands
\usepackage{pst-eucl}
\StopShownPreambleCommands
\begin{document}
\begin{pspicture}(-2,-2)(2,2)
\psset{PointSymbol=none,CodeFig=true,
CodeFigColor=red,RightAngleType=german}
\pstTriangle[linewidth=1pt]%
(-2,-1){A}(1.5,2){C}(0,-1){B}
\pstProjection{A}{B}{C}[I] \pstProjection{A}{C}{B}
\pstProjection{C}{B}{A}[K]
\pspolygon[linestyle=dotted,linewidth=1pt](I)(B')(K)
\pstLineAB[linestyle=dashed]{B}{I}
\pstLineAB[linestyle=dashed]{B}{K}
\end{pspicture}
\end{document}
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