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}

\begin{tikzpicture}
\tikzmath{\x=3.5;};
\tikzmath{\y=2;};
\tikzmath{\yy=1;};

      \node[mybox,text width=5cm] (GN)
      at (0,0)
      {
         Geometria Neutra\\
         (axiomas da geometria neutra)
      };
      
      \node[mybox,text width=6.25cm] (GE)
      at (-\x,-\y)
      {
         Geometria Euclidiana\\
         (axioma de paralelismo de Euclides)
      };
      
      
      \node[mybox,text width=6.25cm] (GH)
      at (\x,-\y)
      {
         Geometria Hiperb\'olica\\
         (axioma de paralelismo de Lobachevsky)
      };
      
      \coordinate (C) at  ( 0,-\yy);
      \coordinate (PL) at (-\x,-\yy);
      \coordinate (PR) at ( \x,-\yy);
      
      \draw[] (GN.south) -- (C);
      \draw[] (PL) -- (C);
      \draw[] (PR) -- (C);
      \draw[] (PL) -- (GE.north);
      \draw[] (PR) -- (GH.north);
\end{tikzpicture}