Flow charts

\documentclass{report}
\usepackage{graphicx,float}


\input{PreAmble.tikz}

\newcommand{\Fig}[2]
{
   \begin{figure}[H]\begin{center}
       #1
       \caption{#2.}
   \end{center}\end{figure}
}


\begin{document}
   \Fig{\input{Dia-04-10.tikz}
   
   \Fig{\input{Dia-04-15.tikz}
   \Fig{\input{Dia-05-L12.tikz}
   \Fig{\input{Dia-06-02.tikz}
   \Fig{\input{Dia-06-04.tikz}
   \Fig{\input{Dia-06-06.tikz}
   \Fig{\input{Dia-09-05.tikz}
   \Fig{\input{Dia-09-09-A.tikz}
   \Fig{\input{Dia-09-09-B.tikz}
   \Fig{\input{Dia-09-09-C.tikz}
   
   
   \Fig{\input{Dia-09-22.tikz}
   \Fig{\input{Dia-10-10.tikz}
   \Fig{\input{Dia-11-1.tikz}
   \Fig{\input{Dia-11-2.tikz}
   \Fig{\input{Dia-11-3.tikz}
   \Fig{\input{Dia-11-4.tikz}
   \Fig{\input{Dia-11-5.tikz}
   \Fig{\input{Dia-11-6.tikz}
   \Fig{\input{Dia-12-08.tikz}
\end{document}

\input{Dias.tikz}

\tikzstyle{col1} =
[
      text width=4cm,
]
\tikzstyle{col2} =
[
      text width=4cm,
      xshift=4cm,
]
\tikzstyle{row2} =
[
      yshift=-0.5cm,
]

\begin{tikzpicture}
[
      node distance=1cm,
      inner sep=0.2cm,
]

      \node[mybox,col1] (circ)
      {Circumfer\^encia};
      
      \node[mybox,col2] (intcirc) [right of=circ]
      {Interior de Circumfer\^encia};


      \draw [arrow] (circ.east) -- (intcirc.west);


      \node[mybox,col1,row2] (triangulo)[below of=circ]
      {Tri\^angulo};
      
      \node[mybox,col1] (separar) [below of=triangulo]
      {Reta que Separa o Plano};


      \node[mybox,col2] (inttri)[right of=triangulo,yshift=-0.5cm]
      {Interior de Tri\^angulo};
      
      \draw [arrow] (triangulo.east) -- (inttri.west);
      \draw [arrow] (separar.east)   -- (inttri.west);


\end{tikzpicture}