\documentclass[10pt,a4paper]{article}

% Packages
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%\usepackage{opensans}          % Can't make this work so far. Shame. Would be lovely.
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% Most of the following are not required for the majority
% of cheat sheets but are needed for some symbol support.
\usepackage{amsmath}            % Symbols
\usepackage{MnSymbol}           % Symbols
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% Document Info
\author{doxeado}
\pdfinfo{
  /Title (geometry-i.pdf)
  /Creator (Cheatography)
  /Author (doxeado)
  /Subject (Geometry I Cheat Sheet)
}

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% Commands
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% Header and Footer
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\fancyhead{} % Set header to blank
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\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
    }
\end{tabulary}
\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Geometry I Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{doxeado} via \textcolor{DarkBackground}{\uline{cheatography.com/199990/cs/42249/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}doxeado \\
  \uline{cheatography.com/doxeado} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 2nd February, 2024.\\
   Updated 2nd February, 2024.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
\raggedright
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% Set font size to small. Switch to any value
% from this page to resize cheat sheet text:
% www.emerson.emory.edu/services/latex/latex_169.html
\footnotesize % Small font.

\begin{multicols*}{3}

\begin{tabularx}{5.377cm}{X}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Line}}  \tn
% Row 0
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\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}{\emph{Ax+By+C=0}}} \tn 
% Row Count 2 (+ 2)
% Row 1
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% Row Count 4 (+ 2)
% Row 2
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% Row Count 7 (+ 3)
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\par\addvspace{1.3em}

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% Row 0
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% Row 1
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% Row Count 4 (+ 2)
% Row 2
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% Row Count 6 (+ 2)
% Row 3
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% Row Count 8 (+ 2)
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% Row 0
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\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}{\emph{m1=m2 \{\{nl\}\} -A/B=-A'/B'}}} \tn 
% Row Count 2 (+ 2)
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\par\addvspace{1.3em}

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% Row 0
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\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}{\emph{m1.m2=-1 \{\{nl\}\} -A/B=B'/A'}}} \tn 
% Row Count 2 (+ 2)
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\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
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% Row 0
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% Row Count 2 (+ 2)
% Row 1
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\mymulticolumn{1}{x{5.377cm}}{{\bf{Distance between two points (P and Q)}}} \tn 
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% Row 2
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% Row Count 6 (+ 2)
% Row 3
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% Row Count 8 (+ 2)
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% Row 0
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% Row 1
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% Row 2
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% Row Count 10 (+ 5)
% Row 3
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\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}{\emph{A=-2a \{\{nl\}\} B=-2b \{\{nl\}\} C=a\textasciicircum{}2+b\textasciicircum{}2-r}}\{\{nobreak\}\}} \tn 
% Row Count 13 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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% Row 0
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\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}{\emph{{[}(x-x0)\textasciicircum{}2{]}/(a\textasciicircum{}2)+{[}(y-y0)\textasciicircum{}2{]}/(b\textasciicircum{}2)=1}} \{\{nl\}\} Center: {\emph{C(x0,y0)}} \{\{nl\}\} Horizontal radius: {\emph{a}} \{\{nl\}\}	 Vertical radius: {\emph{b}}} \tn 
% Row Count 4 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
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% Row 0
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\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}{\emph{Ax\textasciicircum{}2+Bxy+Cy\textasciicircum{}2+Dx+Ey+F=0}} \{\{nl\}\} If: \{\{nl\}\} {\emph{A≠0 v B≠0}} \{\{nl\}\} {\emph{B\textasciicircum{}2-4AC=0}}} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Vertical Parabola Ordinary Equation}}} \tn 
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% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
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\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}{\emph{(y-y0)\textasciicircum{}2=2p(x-x0)}} \{\{nl\}\} Vertex: V(x0,y0) \{\{nl\}\} Parameter: p} \tn 
% Row Count 9 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
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% Row 0
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\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}{\emph{Ax\textasciicircum{}2+Bxy+Cy\textasciicircum{}2+Dx+Ey+F=0}} \{\{nl\}\} If: \{\{nl\}\} {\emph{A≠0 \textasciicircum{} B≠0}} \{\{nl\}\} {\emph{A.B\textless{}0}}} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Ordinary Equation (horizontal focal axis)}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}{\emph{{[}(x-x0)\textasciicircum{}2{]}/(a\textasciicircum{}2)-{[}(y-y0)\textasciicircum{}2{]}/(b\textasciicircum{}2)=1}}} \tn 
% Row Count 5 (+ 2)
% Row 2
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\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}{\emph{{[}(y-y0)\textasciicircum{}2{]}/(b\textasciicircum{}2)-{[}(x-x0)\textasciicircum{}2{]}/(a\textasciicircum{}2)=1}}} \tn 
% Row Count 7 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Equilateral Hyperbola Equation}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}{\emph{a=b}}} \tn 
% Row Count 9 (+ 2)
% Row 4
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% Row Count 11 (+ 2)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{{\bf{Elements}}} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Center: {\emph{O(x0,y0)}} \{\{nl\}\} Length of the semimajor axis of the hyperbola: {\emph{a}} \{\{nl\}\} Length of the semi-minor axis of the hyperbola: {\emph{b}}} \tn 
% Row Count 15 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}