%% 
%%  A DANTE-Edition example
%% 
%%  Example 29-02-4 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}(-1.5,-1.5)(1.5,1.5)
  \pstTriangle{A}(1,1){B}(1,-.5){C}
  \pstTriangle[linestyle=dotted](1.5,-1){A}(0,1){B}(-1,-.5){C}
\end{pspicture}

\begin{pspicture}(-1.5,-1.5)(1.5,1.5)
  \pstTriangle[PointSymbol=square,PointSymbolC=o,
  linecolor=red](1.5,-1){A}(0,1){B}(-1,-.5){C}
\end{pspicture}
\end{document}