%%
%% The LaTeX Companion, 3ed
%%
%% Example 8-5-19 on page I-642 in "Transformations and other operations".
%%
%% Copyright (C) 2022 Frank Mittelbach
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%%
%% See https://www.latex-project.org/lppl.txt for details.
%%

\documentclass{tlc3exa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{87.0pt}

%StartShownPreambleCommands
\usepackage{tikz} \usetikzlibrary{arrows.meta}
\usetikzlibrary{shapes,shapes.arrows,shapes.symbols}

%StopShownPreambleCommands

\begin{document}
\begin{tikzpicture}[line width=1pt]
 \draw (0,0)--(1.5,0)--(1,1)node[draw,above]{A}--cycle;
 \begin{scope}[blue,shift={(0,-1.75)},scale=0.5,rotate=40]
  \draw (0,0)--(1.5,0)--(1,1)node[draw,above]{A}--cycle;
 \end{scope}
 \begin{scope}[shift={(0,-3)},scale=0.3,rotate=90]
  \draw (0,0)--(1.5,0)--(1,1)node[draw,above,rotate=40]{A}--cycle;
 \end{scope}
\end{tikzpicture}
\end{document}