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%%
%% A DANTE-Edition example
%%
%% Example 29-02-5 on page 566.
%%
%% Copyright (C) 2011 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[]{article}
\pagestyle{empty}
\setlength\textwidth{129.70511pt}
\setlength\parindent{0pt}
\usepackage{pst-eucl}
\begin{document}
\begin{pspicture}(-1,-1)(2.5,2)
\pstGeonode[PointSymbol=none,
PosAngle={-45,45,135}]{A}(0,2){B}(2.5,2){C}
\pspolygon(A)(B)(C)
\psset{arrows=->,linecolor=red}
\pstMarkAngle{C}{A}{B}{$\alpha$}
\pstMarkAngle[MarkAngleRadius=1]{B}{A}{C}{$\alpha$}
\pstMarkAngle[linestyle=dotted]{B}{C}{A}{$\gamma$}
\pstMarkAngle[arrowscale=2,MarkAngleRadius=-0.75]{A}{B}{C}{}
\end{pspicture}
\end{document}
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