\documentclass[12pt]{article}
\usepackage{tikz}
\usepackage{amsmath}
% Underlining package
\usepackage{ulem}
\usetikzlibrary{calc}
\usetikzlibrary{angles,quotes}
\usepackage[a4paper, portrait, margin=1cm]{geometry}
\usepackage{fancyhdr}

\newcommand{\HeadingAnswers}{%
\section*{\Large Name: \underline{\hspace{8cm}} \hfill Date: \underline{\hspace{3cm}}}%
\vspace{-3mm}\par
\textbf{Area Squares: Answers}\vspace{1pt}\hrule
}

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\newcounter{minipagecount}

\begin{document}
\HeadingAnswers
\vspace{8mm}

\begin{minipage}{0.55\textwidth}
  \refstepcounter{minipagecount}
  \noindent{(\theminipagecount)}\quad
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            node[black, midway, fill=white, xshift=2mm, inner sep=3pt] {8\,cm};

    \end{scope}
\end{tikzpicture}
\end{minipage}%
\hfill
\begin{minipage}{.4\textwidth}
  \begin{align*}
  \text{Area} &= l^2 \\
  \text{Area} &= 8 \,\text{cm} \times 8 \,\text{cm} \\
  \text{Area} &= 64 \,\text{cm}^2
  \end{align*}
\end{minipage}
\par\vspace{1cm}\begin{minipage}{0.55\textwidth}
  \refstepcounter{minipagecount}
  \noindent{(\theminipagecount)}\quad
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            node[black, midway, fill=white, xshift=2mm, inner sep=3pt] {6\,cm};

    \end{scope}
\end{tikzpicture}
\end{minipage}%
\hfill
\begin{minipage}{.4\textwidth}
  \begin{align*}
  \text{Area} &= l^2 \\
  \text{Area} &= 6 \,\text{cm} \times 6 \,\text{cm} \\
  \text{Area} &= 36 \,\text{cm}^2
  \end{align*}
\end{minipage}
\par\vspace{1cm}\begin{minipage}{0.55\textwidth}
  \refstepcounter{minipagecount}
  \noindent{(\theminipagecount)}\quad
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\end{tikzpicture}
\end{minipage}%
\hfill
\begin{minipage}{.4\textwidth}
  \begin{align*}
  \text{Area} &= l^2 \\
  \text{Area} &= 9 \,\text{cm} \times 9 \,\text{cm} \\
  \text{Area} &= 81 \,\text{cm}^2
  \end{align*}
\end{minipage}
\par\vspace{1cm}\begin{minipage}{0.55\textwidth}
  \refstepcounter{minipagecount}
  \noindent{(\theminipagecount)}\quad
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\end{tikzpicture}
\end{minipage}%
\hfill
\begin{minipage}{.4\textwidth}
  \begin{align*}
  \text{Area} &= l^2 \\
  \text{Area} &= 5 \,\text{cm} \times 5 \,\text{cm} \\
  \text{Area} &= 25 \,\text{cm}^2
  \end{align*}
\end{minipage}
\par\vspace{1cm}\begin{minipage}{0.55\textwidth}
  \refstepcounter{minipagecount}
  \noindent{(\theminipagecount)}\quad
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\end{tikzpicture}
\end{minipage}%
\hfill
\begin{minipage}{.4\textwidth}
  \begin{align*}
  \text{Area} &= l^2 \\
  \text{Area} &= 7 \,\text{cm} \times 7 \,\text{cm} \\
  \text{Area} &= 49 \,\text{cm}^2
  \end{align*}
\end{minipage}
\par\vspace{1cm}\begin{minipage}{0.55\textwidth}
  \refstepcounter{minipagecount}
  \noindent{(\theminipagecount)}\quad
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\end{tikzpicture}
\end{minipage}%
\hfill
\begin{minipage}{.4\textwidth}
  \begin{align*}
  \text{Area} &= l^2 \\
  \text{Area} &= 1 \,\text{cm} \times 1 \,\text{cm} \\
  \text{Area} &= 1 \,\text{cm}^2
  \end{align*}
\end{minipage}
\par\vspace{1cm}\begin{minipage}{0.55\textwidth}
  \refstepcounter{minipagecount}
  \noindent{(\theminipagecount)}\quad
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\end{tikzpicture}
\end{minipage}%
\hfill
\begin{minipage}{.4\textwidth}
  \begin{align*}
  \text{Area} &= l^2 \\
  \text{Area} &= 2 \,\text{cm} \times 2 \,\text{cm} \\
  \text{Area} &= 4 \,\text{cm}^2
  \end{align*}
\end{minipage}
\par\vspace{1cm}\begin{minipage}{0.55\textwidth}
  \refstepcounter{minipagecount}
  \noindent{(\theminipagecount)}\quad
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\end{tikzpicture}
\end{minipage}%
\hfill
\begin{minipage}{.4\textwidth}
  \begin{align*}
  \text{Area} &= l^2 \\
  \text{Area} &= 4 \,\text{cm} \times 4 \,\text{cm} \\
  \text{Area} &= 16 \,\text{cm}^2
  \end{align*}
\end{minipage}
\par\vspace{1cm}\begin{minipage}{0.55\textwidth}
  \refstepcounter{minipagecount}
  \noindent{(\theminipagecount)}\quad
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\end{tikzpicture}
\end{minipage}%
\hfill
\begin{minipage}{.4\textwidth}
  \begin{align*}
  \text{Area} &= l^2 \\
  \text{Area} &= 3 \,\text{cm} \times 3 \,\text{cm} \\
  \text{Area} &= 9 \,\text{cm}^2
  \end{align*}
\end{minipage}
\par\vspace{1cm}\begin{minipage}{0.55\textwidth}
  \refstepcounter{minipagecount}
  \noindent{(\theminipagecount)}\quad
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\end{tikzpicture}
\end{minipage}%
\hfill
\begin{minipage}{.4\textwidth}
  \begin{align*}
  \text{Area} &= l^2 \\
  \text{Area} &= 11 \,\text{cm} \times 11 \,\text{cm} \\
  \text{Area} &= 121 \,\text{cm}^2
  \end{align*}
\end{minipage}
\par\vspace{1cm}\begin{minipage}{0.55\textwidth}
  \refstepcounter{minipagecount}
  \noindent{(\theminipagecount)}\quad
  \begin{tikzpicture}[scale=1.0, baseline=(current bounding box.north)]
    \begin{scope}[rotate=-20]
        % Draw square
        \draw (0,0) coordinate (Q) --
              ++(2.032,0) coordinate (R) --
              ++(0,2.032) coordinate (S) --
              ++(-2.032,0) coordinate (T) -- cycle;

        % Right angle markers
        \foreach \p/\q/\r in {T/Q/R,Q/R/S,R/S/T,S/T/Q} {
            \pic [draw, -, angle radius=0.2cm] {right angle=\p--\q--\r};
        }

        % Vertex LABELS
        % Labels relative to shape geometry
        \node at ($(Q)+(-0.2,-0.2)$) {Q};
        \node at ($(R)+(0.2,-0.2)$) {R};
        \node at ($(S)+(0.2,0.2)$) {S};
        \node at ($(T)+(-0.2,0.2)$) {T};

        % Tick marks across horizontal sides
        \draw[thin, gray]
            ($(Q)!0.5!(R) + (0,-0.10)$) --
            ($(Q)!0.5!(R) + (0,0.10)$);

        \draw[thin, gray]
            ($(T)!0.5!(S) + (0,-0.10)$) --
            ($(T)!0.5!(S) + (0,0.10)$);

        % Tick marks across vertical sides
        \draw[thin, gray]
            ($(R)!0.5!(S) + (-0.10,0)$) --
            ($(R)!0.5!(S) + (0.10,0)$);

        \draw[thin, gray]
            ($(Q)!0.5!(T) + (-0.10,0)$) --
            ($(Q)!0.5!(T) + (0.10,0)$);


        % dotted/dashed arrows shifted away from edges
        % % Vertical side (B-C), shifted right
        \draw[<->, gray]
            ($(R) + (0.50cm,0)$) -- ($(S) + (0.50cm,0)$)
            node[black, midway, fill=white, xshift=2mm, inner sep=3pt] {17\,cm};

    \end{scope}
\end{tikzpicture}
\end{minipage}%
\hfill
\begin{minipage}{.4\textwidth}
  \begin{align*}
  \text{Area} &= l^2 \\
  \text{Area} &= 17 \,\text{cm} \times 17 \,\text{cm} \\
  \text{Area} &= 289 \,\text{cm}^2
  \end{align*}
\end{minipage}
\par\vspace{1cm}\begin{minipage}{0.55\textwidth}
  \refstepcounter{minipagecount}
  \noindent{(\theminipagecount)}\quad
  \begin{tikzpicture}[scale=1.0, baseline=(current bounding box.north)]
    \begin{scope}[rotate=0]
        % Draw square
        \draw (0,0) coordinate (Q) --
              ++(1.605,0) coordinate (R) --
              ++(0,1.605) coordinate (S) --
              ++(-1.605,0) coordinate (T) -- cycle;

        % Right angle markers
        \foreach \p/\q/\r in {T/Q/R,Q/R/S,R/S/T,S/T/Q} {
            \pic [draw, -, angle radius=0.2cm] {right angle=\p--\q--\r};
        }

        % Vertex LABELS
        % Labels relative to shape geometry
        \node at ($(Q)+(-0.2,-0.2)$) {Q};
        \node at ($(R)+(0.2,-0.2)$) {R};
        \node at ($(S)+(0.2,0.2)$) {S};
        \node at ($(T)+(-0.2,0.2)$) {T};

        % Tick marks across horizontal sides
        \draw[thin, gray]
            ($(Q)!0.5!(R) + (0,-0.10)$) --
            ($(Q)!0.5!(R) + (0,0.10)$);

        \draw[thin, gray]
            ($(T)!0.5!(S) + (0,-0.10)$) --
            ($(T)!0.5!(S) + (0,0.10)$);

        % Tick marks across vertical sides
        \draw[thin, gray]
            ($(R)!0.5!(S) + (-0.10,0)$) --
            ($(R)!0.5!(S) + (0.10,0)$);

        \draw[thin, gray]
            ($(Q)!0.5!(T) + (-0.10,0)$) --
            ($(Q)!0.5!(T) + (0.10,0)$);


        % dotted/dashed arrows shifted away from edges
        % % Vertical side (B-C), shifted right
        \draw[<->, gray]
            ($(R) + (0.50cm,0)$) -- ($(S) + (0.50cm,0)$)
            node[black, midway, fill=white, xshift=2mm, inner sep=3pt] {12\,cm};

    \end{scope}
\end{tikzpicture}
\end{minipage}%
\hfill
\begin{minipage}{.4\textwidth}
  \begin{align*}
  \text{Area} &= l^2 \\
  \text{Area} &= 12 \,\text{cm} \times 12 \,\text{cm} \\
  \text{Area} &= 144 \,\text{cm}^2
  \end{align*}
\end{minipage}
\par\vspace{1cm}\begin{minipage}{0.55\textwidth}
  \refstepcounter{minipagecount}
  \noindent{(\theminipagecount)}\quad
  \begin{tikzpicture}[scale=1.0, baseline=(current bounding box.north)]
    \begin{scope}[rotate=-30]
        % Draw square
        \draw (0,0) coordinate (W) --
              ++(2.862,0) coordinate (X) --
              ++(0,2.862) coordinate (Y) --
              ++(-2.862,0) coordinate (Z) -- cycle;

        % Right angle markers
        \foreach \p/\q/\r in {Z/W/X,W/X/Y,X/Y/Z,Y/Z/W} {
            \pic [draw, -, angle radius=0.2cm] {right angle=\p--\q--\r};
        }

        % Vertex LABELS
        % Labels relative to shape geometry
        \node at ($(W)+(-0.2,-0.2)$) {W};
        \node at ($(X)+(0.2,-0.2)$) {X};
        \node at ($(Y)+(0.2,0.2)$) {Y};
        \node at ($(Z)+(-0.2,0.2)$) {Z};

        % Tick marks across horizontal sides
        \draw[thin, gray]
            ($(W)!0.5!(X) + (0,-0.10)$) --
            ($(W)!0.5!(X) + (0,0.10)$);

        \draw[thin, gray]
            ($(Z)!0.5!(Y) + (0,-0.10)$) --
            ($(Z)!0.5!(Y) + (0,0.10)$);

        % Tick marks across vertical sides
        \draw[thin, gray]
            ($(X)!0.5!(Y) + (-0.10,0)$) --
            ($(X)!0.5!(Y) + (0.10,0)$);

        \draw[thin, gray]
            ($(W)!0.5!(Z) + (-0.10,0)$) --
            ($(W)!0.5!(Z) + (0.10,0)$);


        % dotted/dashed arrows shifted away from edges
        % % Vertical side (B-C), shifted right
        \draw[<->, gray]
            ($(X) + (0.50cm,0)$) -- ($(Y) + (0.50cm,0)$)
            node[black, midway, fill=white, xshift=2mm, inner sep=3pt] {18\,cm};

    \end{scope}
\end{tikzpicture}
\end{minipage}%
\hfill
\begin{minipage}{.4\textwidth}
  \begin{align*}
  \text{Area} &= l^2 \\
  \text{Area} &= 18 \,\text{cm} \times 18 \,\text{cm} \\
  \text{Area} &= 324 \,\text{cm}^2
  \end{align*}
\end{minipage}
\par\vspace{1cm}\begin{minipage}{0.55\textwidth}
  \refstepcounter{minipagecount}
  \noindent{(\theminipagecount)}\quad
  \begin{tikzpicture}[scale=1.0, baseline=(current bounding box.north)]
    \begin{scope}[rotate=-10]
        % Draw square
        \draw (0,0) coordinate (W) --
              ++(2.373,0) coordinate (X) --
              ++(0,2.373) coordinate (Y) --
              ++(-2.373,0) coordinate (Z) -- cycle;

        % Right angle markers
        \foreach \p/\q/\r in {Z/W/X,W/X/Y,X/Y/Z,Y/Z/W} {
            \pic [draw, -, angle radius=0.2cm] {right angle=\p--\q--\r};
        }

        % Vertex LABELS
        % Labels relative to shape geometry
        \node at ($(W)+(-0.2,-0.2)$) {W};
        \node at ($(X)+(0.2,-0.2)$) {X};
        \node at ($(Y)+(0.2,0.2)$) {Y};
        \node at ($(Z)+(-0.2,0.2)$) {Z};

        % Tick marks across horizontal sides
        \draw[thin, gray]
            ($(W)!0.5!(X) + (0,-0.10)$) --
            ($(W)!0.5!(X) + (0,0.10)$);

        \draw[thin, gray]
            ($(Z)!0.5!(Y) + (0,-0.10)$) --
            ($(Z)!0.5!(Y) + (0,0.10)$);

        % Tick marks across vertical sides
        \draw[thin, gray]
            ($(X)!0.5!(Y) + (-0.10,0)$) --
            ($(X)!0.5!(Y) + (0.10,0)$);

        \draw[thin, gray]
            ($(W)!0.5!(Z) + (-0.10,0)$) --
            ($(W)!0.5!(Z) + (0.10,0)$);


        % dotted/dashed arrows shifted away from edges
        % % Vertical side (B-C), shifted right
        \draw[<->, gray]
            ($(X) + (0.50cm,0)$) -- ($(Y) + (0.50cm,0)$)
            node[black, midway, fill=white, xshift=2mm, inner sep=3pt] {10\,cm};

    \end{scope}
\end{tikzpicture}
\end{minipage}%
\hfill
\begin{minipage}{.4\textwidth}
  \begin{align*}
  \text{Area} &= l^2 \\
  \text{Area} &= 10 \,\text{cm} \times 10 \,\text{cm} \\
  \text{Area} &= 100 \,\text{cm}^2
  \end{align*}
\end{minipage}
\par\vspace{1cm}\begin{minipage}{0.55\textwidth}
  \refstepcounter{minipagecount}
  \noindent{(\theminipagecount)}\quad
  \begin{tikzpicture}[scale=1.0, baseline=(current bounding box.north)]
    \begin{scope}[rotate=20]
        % Draw square
        \draw (0,0) coordinate (W) --
              ++(2.46,0) coordinate (X) --
              ++(0,2.46) coordinate (Y) --
              ++(-2.46,0) coordinate (Z) -- cycle;

        % Right angle markers
        \foreach \p/\q/\r in {Z/W/X,W/X/Y,X/Y/Z,Y/Z/W} {
            \pic [draw, -, angle radius=0.2cm] {right angle=\p--\q--\r};
        }

        % Vertex LABELS
        % Labels relative to shape geometry
        \node at ($(W)+(-0.2,-0.2)$) {W};
        \node at ($(X)+(0.2,-0.2)$) {X};
        \node at ($(Y)+(0.2,0.2)$) {Y};
        \node at ($(Z)+(-0.2,0.2)$) {Z};

        % Tick marks across horizontal sides
        \draw[thin, gray]
            ($(W)!0.5!(X) + (0,-0.10)$) --
            ($(W)!0.5!(X) + (0,0.10)$);

        \draw[thin, gray]
            ($(Z)!0.5!(Y) + (0,-0.10)$) --
            ($(Z)!0.5!(Y) + (0,0.10)$);

        % Tick marks across vertical sides
        \draw[thin, gray]
            ($(X)!0.5!(Y) + (-0.10,0)$) --
            ($(X)!0.5!(Y) + (0.10,0)$);

        \draw[thin, gray]
            ($(W)!0.5!(Z) + (-0.10,0)$) --
            ($(W)!0.5!(Z) + (0.10,0)$);


        % dotted/dashed arrows shifted away from edges
        % % Vertical side (B-C), shifted right
        \draw[<->, gray]
            ($(X) + (0.50cm,0)$) -- ($(Y) + (0.50cm,0)$)
            node[black, midway, fill=white, xshift=2mm, inner sep=3pt] {13\,cm};

    \end{scope}
\end{tikzpicture}
\end{minipage}%
\hfill
\begin{minipage}{.4\textwidth}
  \begin{align*}
  \text{Area} &= l^2 \\
  \text{Area} &= 13 \,\text{cm} \times 13 \,\text{cm} \\
  \text{Area} &= 169 \,\text{cm}^2
  \end{align*}
\end{minipage}
\par\vspace{1cm}\begin{minipage}{0.55\textwidth}
  \refstepcounter{minipagecount}
  \noindent{(\theminipagecount)}\quad
  \begin{tikzpicture}[scale=1.0, baseline=(current bounding box.north)]
    \begin{scope}[rotate=20]
        % Draw square
        \draw (0,0) coordinate (W) --
              ++(2.744,0) coordinate (X) --
              ++(0,2.744) coordinate (Y) --
              ++(-2.744,0) coordinate (Z) -- cycle;

        % Right angle markers
        \foreach \p/\q/\r in {Z/W/X,W/X/Y,X/Y/Z,Y/Z/W} {
            \pic [draw, -, angle radius=0.2cm] {right angle=\p--\q--\r};
        }

        % Vertex LABELS
        % Labels relative to shape geometry
        \node at ($(W)+(-0.2,-0.2)$) {W};
        \node at ($(X)+(0.2,-0.2)$) {X};
        \node at ($(Y)+(0.2,0.2)$) {Y};
        \node at ($(Z)+(-0.2,0.2)$) {Z};

        % Tick marks across horizontal sides
        \draw[thin, gray]
            ($(W)!0.5!(X) + (0,-0.10)$) --
            ($(W)!0.5!(X) + (0,0.10)$);

        \draw[thin, gray]
            ($(Z)!0.5!(Y) + (0,-0.10)$) --
            ($(Z)!0.5!(Y) + (0,0.10)$);

        % Tick marks across vertical sides
        \draw[thin, gray]
            ($(X)!0.5!(Y) + (-0.10,0)$) --
            ($(X)!0.5!(Y) + (0.10,0)$);

        \draw[thin, gray]
            ($(W)!0.5!(Z) + (-0.10,0)$) --
            ($(W)!0.5!(Z) + (0.10,0)$);


        % dotted/dashed arrows shifted away from edges
        % % Vertical side (B-C), shifted right
        \draw[<->, gray]
            ($(X) + (0.50cm,0)$) -- ($(Y) + (0.50cm,0)$)
            node[black, midway, fill=white, xshift=2mm, inner sep=3pt] {19\,cm};

    \end{scope}
\end{tikzpicture}
\end{minipage}%
\hfill
\begin{minipage}{.4\textwidth}
  \begin{align*}
  \text{Area} &= l^2 \\
  \text{Area} &= 19 \,\text{cm} \times 19 \,\text{cm} \\
  \text{Area} &= 361 \,\text{cm}^2
  \end{align*}
\end{minipage}
\par\vspace{1cm}\begin{minipage}{0.55\textwidth}
  \refstepcounter{minipagecount}
  \noindent{(\theminipagecount)}\quad
  \begin{tikzpicture}[scale=1.0, baseline=(current bounding box.north)]
    \begin{scope}[rotate=10]
        % Draw square
        \draw (0,0) coordinate (E) --
              ++(2.849,0) coordinate (F) --
              ++(0,2.849) coordinate (G) --
              ++(-2.849,0) coordinate (H) -- cycle;

        % Right angle markers
        \foreach \p/\q/\r in {H/E/F,E/F/G,F/G/H,G/H/E} {
            \pic [draw, -, angle radius=0.2cm] {right angle=\p--\q--\r};
        }

        % Vertex LABELS
        % Labels relative to shape geometry
        \node at ($(E)+(-0.2,-0.2)$) {E};
        \node at ($(F)+(0.2,-0.2)$) {F};
        \node at ($(G)+(0.2,0.2)$) {G};
        \node at ($(H)+(-0.2,0.2)$) {H};

        % Tick marks across horizontal sides
        \draw[thin, gray]
            ($(E)!0.5!(F) + (0,-0.10)$) --
            ($(E)!0.5!(F) + (0,0.10)$);

        \draw[thin, gray]
            ($(H)!0.5!(G) + (0,-0.10)$) --
            ($(H)!0.5!(G) + (0,0.10)$);

        % Tick marks across vertical sides
        \draw[thin, gray]
            ($(F)!0.5!(G) + (-0.10,0)$) --
            ($(F)!0.5!(G) + (0.10,0)$);

        \draw[thin, gray]
            ($(E)!0.5!(H) + (-0.10,0)$) --
            ($(E)!0.5!(H) + (0.10,0)$);


        % dotted/dashed arrows shifted away from edges
        % % Vertical side (B-C), shifted right
        \draw[<->, gray]
            ($(F) + (0.50cm,0)$) -- ($(G) + (0.50cm,0)$)
            node[black, midway, fill=white, xshift=2mm, inner sep=3pt] {16\,cm};

    \end{scope}
\end{tikzpicture}
\end{minipage}%
\hfill
\begin{minipage}{.4\textwidth}
  \begin{align*}
  \text{Area} &= l^2 \\
  \text{Area} &= 16 \,\text{cm} \times 16 \,\text{cm} \\
  \text{Area} &= 256 \,\text{cm}^2
  \end{align*}
\end{minipage}
\par\vspace{1cm}\begin{minipage}{0.55\textwidth}
  \refstepcounter{minipagecount}
  \noindent{(\theminipagecount)}\quad
  \begin{tikzpicture}[scale=1.0, baseline=(current bounding box.north)]
    \begin{scope}[rotate=-30]
        % Draw square
        \draw (0,0) coordinate (W) --
              ++(1.998,0) coordinate (X) --
              ++(0,1.998) coordinate (Y) --
              ++(-1.998,0) coordinate (Z) -- cycle;

        % Right angle markers
        \foreach \p/\q/\r in {Z/W/X,W/X/Y,X/Y/Z,Y/Z/W} {
            \pic [draw, -, angle radius=0.2cm] {right angle=\p--\q--\r};
        }

        % Vertex LABELS
        % Labels relative to shape geometry
        \node at ($(W)+(-0.2,-0.2)$) {W};
        \node at ($(X)+(0.2,-0.2)$) {X};
        \node at ($(Y)+(0.2,0.2)$) {Y};
        \node at ($(Z)+(-0.2,0.2)$) {Z};

        % Tick marks across horizontal sides
        \draw[thin, gray]
            ($(W)!0.5!(X) + (0,-0.10)$) --
            ($(W)!0.5!(X) + (0,0.10)$);

        \draw[thin, gray]
            ($(Z)!0.5!(Y) + (0,-0.10)$) --
            ($(Z)!0.5!(Y) + (0,0.10)$);

        % Tick marks across vertical sides
        \draw[thin, gray]
            ($(X)!0.5!(Y) + (-0.10,0)$) --
            ($(X)!0.5!(Y) + (0.10,0)$);

        \draw[thin, gray]
            ($(W)!0.5!(Z) + (-0.10,0)$) --
            ($(W)!0.5!(Z) + (0.10,0)$);


        % dotted/dashed arrows shifted away from edges
        % % Vertical side (B-C), shifted right
        \draw[<->, gray]
            ($(X) + (0.50cm,0)$) -- ($(Y) + (0.50cm,0)$)
            node[black, midway, fill=white, xshift=2mm, inner sep=3pt] {20\,cm};

    \end{scope}
\end{tikzpicture}
\end{minipage}%
\hfill
\begin{minipage}{.4\textwidth}
  \begin{align*}
  \text{Area} &= l^2 \\
  \text{Area} &= 20 \,\text{cm} \times 20 \,\text{cm} \\
  \text{Area} &= 400 \,\text{cm}^2
  \end{align*}
\end{minipage}
\par\vspace{1cm}\begin{minipage}{0.55\textwidth}
  \refstepcounter{minipagecount}
  \noindent{(\theminipagecount)}\quad
  \begin{tikzpicture}[scale=1.0, baseline=(current bounding box.north)]
    \begin{scope}[rotate=10]
        % Draw square
        \draw (0,0) coordinate (K) --
              ++(1.74,0) coordinate (L) --
              ++(0,1.74) coordinate (M) --
              ++(-1.74,0) coordinate (N) -- cycle;

        % Right angle markers
        \foreach \p/\q/\r in {N/K/L,K/L/M,L/M/N,M/N/K} {
            \pic [draw, -, angle radius=0.2cm] {right angle=\p--\q--\r};
        }

        % Vertex LABELS
        % Labels relative to shape geometry
        \node at ($(K)+(-0.2,-0.2)$) {K};
        \node at ($(L)+(0.2,-0.2)$) {L};
        \node at ($(M)+(0.2,0.2)$) {M};
        \node at ($(N)+(-0.2,0.2)$) {N};

        % Tick marks across horizontal sides
        \draw[thin, gray]
            ($(K)!0.5!(L) + (0,-0.10)$) --
            ($(K)!0.5!(L) + (0,0.10)$);

        \draw[thin, gray]
            ($(N)!0.5!(M) + (0,-0.10)$) --
            ($(N)!0.5!(M) + (0,0.10)$);

        % Tick marks across vertical sides
        \draw[thin, gray]
            ($(L)!0.5!(M) + (-0.10,0)$) --
            ($(L)!0.5!(M) + (0.10,0)$);

        \draw[thin, gray]
            ($(K)!0.5!(N) + (-0.10,0)$) --
            ($(K)!0.5!(N) + (0.10,0)$);


        % dotted/dashed arrows shifted away from edges
        % % Vertical side (B-C), shifted right
        \draw[<->, gray]
            ($(L) + (0.50cm,0)$) -- ($(M) + (0.50cm,0)$)
            node[black, midway, fill=white, xshift=2mm, inner sep=3pt] {15\,cm};

    \end{scope}
\end{tikzpicture}
\end{minipage}%
\hfill
\begin{minipage}{.4\textwidth}
  \begin{align*}
  \text{Area} &= l^2 \\
  \text{Area} &= 15 \,\text{cm} \times 15 \,\text{cm} \\
  \text{Area} &= 225 \,\text{cm}^2
  \end{align*}
\end{minipage}
\par\vspace{1cm}\begin{minipage}{0.55\textwidth}
  \refstepcounter{minipagecount}
  \noindent{(\theminipagecount)}\quad
  \begin{tikzpicture}[scale=1.0, baseline=(current bounding box.north)]
    \begin{scope}[rotate=0]
        % Draw square
        \draw (0,0) coordinate (E) --
              ++(2.709,0) coordinate (F) --
              ++(0,2.709) coordinate (G) --
              ++(-2.709,0) coordinate (H) -- cycle;

        % Right angle markers
        \foreach \p/\q/\r in {H/E/F,E/F/G,F/G/H,G/H/E} {
            \pic [draw, -, angle radius=0.2cm] {right angle=\p--\q--\r};
        }

        % Vertex LABELS
        % Labels relative to shape geometry
        \node at ($(E)+(-0.2,-0.2)$) {E};
        \node at ($(F)+(0.2,-0.2)$) {F};
        \node at ($(G)+(0.2,0.2)$) {G};
        \node at ($(H)+(-0.2,0.2)$) {H};

        % Tick marks across horizontal sides
        \draw[thin, gray]
            ($(E)!0.5!(F) + (0,-0.10)$) --
            ($(E)!0.5!(F) + (0,0.10)$);

        \draw[thin, gray]
            ($(H)!0.5!(G) + (0,-0.10)$) --
            ($(H)!0.5!(G) + (0,0.10)$);

        % Tick marks across vertical sides
        \draw[thin, gray]
            ($(F)!0.5!(G) + (-0.10,0)$) --
            ($(F)!0.5!(G) + (0.10,0)$);

        \draw[thin, gray]
            ($(E)!0.5!(H) + (-0.10,0)$) --
            ($(E)!0.5!(H) + (0.10,0)$);


        % dotted/dashed arrows shifted away from edges
        % % Vertical side (B-C), shifted right
        \draw[<->, gray]
            ($(F) + (0.50cm,0)$) -- ($(G) + (0.50cm,0)$)
            node[black, midway, fill=white, xshift=2mm, inner sep=3pt] {14\,cm};

    \end{scope}
\end{tikzpicture}
\end{minipage}%
\hfill
\begin{minipage}{.4\textwidth}
  \begin{align*}
  \text{Area} &= l^2 \\
  \text{Area} &= 14 \,\text{cm} \times 14 \,\text{cm} \\
  \text{Area} &= 196 \,\text{cm}^2
  \end{align*}
\end{minipage}
\par\vspace{1cm}

\end{document}
