The Pythagorean Theorem In Latex

1. Type this following latex code in the latex editor:
   % !TEX TS-program=pdflatex
   % !TEX encoding=UTF-8 Unicode
   %
   % File name: triangleTheorem1.tex
   % Description:
   % The Pythagorean Theorem
   %
   % Composer: private course and tutor course
   \documentclass[12pt,a4paper]{report}
   \usepackage{tikz}
   \usepackage{amsmath}
   \usepackage{bm}
   \usepackage[active,tightpage]{preview}
   \PreviewEnvironment{tikzpicture}
   \setlength\PreviewBorder{0.25pt}
   
   \begin{document}
   \begin{tikzpicture}[scale=3.5,thick]
   % Label the nodes and position
    \coordinate[label=below left:$\textbf{A}$] (A) at (0,0);
    \coordinate[label=below right:$\textbf{B}$] (B) at (1.5,0);
    \coordinate[label=above:$\textbf{C}$] (C) at (1.5,1);
    % Draw the triangle
    \draw (B) -- (A) -- (C) -- cycle;
    % Label the sides
    \node[above] at (0.75,0) {$\textbf{c}$};
    \node[below] at (0.75,0) {\textbf{Adjacent}};
    \node[right] at (1.5,0.5) {\textbf{Opposite}};
    \node[left] at (1.5,0.5) {$\textbf{a}$};
    % Label the angle
    \draw (0.4,0) arc (0:33.69:0.4) node[right,midway] {$\boldsymbol{\theta}$};
    \node[above left] at (0.75,0.5) {\textbf{Hypotenuse}};
    \node[below right] at (0.75,0.5) {$\textbf{b}$};
    % Draw the right angle mark
    \draw (1.30,0) -- (1.30,.2) -- (1.50,0.2);
   \end{tikzpicture}
   \end{document}


2. Save file as triangleTheorem1.tex
3. Then build or typeset the Latex code.

Output

<< to learn other two dimensional shape, click Two Dimensional Shape 3

to learn Pythagorean Theorem, click The Pythagorean Theorem >

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