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}
      
\tikzmath{\x=7;}

\begin{tikzpicture}[]
   \node at (-\x,3*\h) [mybox,right]
   {
      Axioma de Paralelismo de Euclides (APE)
   };
   \node at (\x,3*\h) [mybox,left]
   {
      Teorema de Ângulos Alternos-internos
   };
   
   \node at (0,2*\h)(decomp)[mybox]
   {
       Recíproca do Teorema dos Ângulos Alternos-internos
   };
   
   \node  at (-\x+0.35,1*\h)[mybox,right]
   {
      Teorema da Soma dos Ângulos de um Triângulo
   }; 
   \node  at (\x,1*\h)[mybox,left]
   {
      Teorema da Existência de Retângulo
   }; 
   
   \node  at (-\x,0*\h) [mybox,right]
   {
      Lema de Transversal
   };
   \node   at (\x-4,0*\h)[mybox,left]
   {
      Teorema de Ângulo Externo
   }; 
   
   \tikzmath{\xx=0;}
   \draw (\xx,0.3*\h) -- (\xx,0.7*\h);

   
   \tikzmath{\xx=-\x+0.2;}
   \tikzmath{\xxx=\x-1.5;}
   \draw ( \xx,0.3*\h) -- ( \xx,2.7*\h);
   \draw (\xxx,1.3*\h) -- (\xxx,2.7*\h);
   
   
   \tikzmath{\xx=0.35*\x;}
   \draw (-\xx,2.3*\h) -- (-\xx,2.7*\h);
   \draw (-\xx,1.3*\h) -- (-\xx,1.7*\h);
   \draw ( \xx,2.3*\h) -- ( \xx,2.7*\h);
   \draw ( \xx,1.3*\h) -- ( \xx,1.7*\h);
\end{tikzpicture}