\input{preamble-standalone.ltx}
\begin{document}

% Ex. No. 135 (Section 20.2.4 : Cardioid)

   \begin{tikzpicture}[scale=.5]
     \tkzDefPoint(0,0){O}
     \tkzDefPoint(2,0){A}
     \foreach \ang in {5,10,...,360}{%
        \tkzDefPoint(\ang:2){M}
        \tkzDrawCircle(M,A)
      }
\end{tikzpicture}

\end{document}
