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There is a sign to signify two triangles are congruent. It looks like this: ≅. How would I do this in latex?

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  • \usepackage{amssymb} and then \cong...
    – Werner ♦
    Jan 22, 2019 at 18:52

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\documentclass{article}
\usepackage[utf8]{inputenc}
\usepackage{amssymb}
\begin{document}
\section{Introduction}
 $\triangle A \cong \triangle B$
  \end{document}

Output:

enter image description here

Use \usepackage{amssymb} package and \cong command.

I strongly refer you to consult with List of LaTeX mathematical symbols link. It will help you a lot.

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    Why do you need to include \usepackage[utf8]{inputenc}?
    – Werner ♦
    Jan 22, 2019 at 19:10
  • Oh that not necessary for your problem.
    – Encipher
    Jan 22, 2019 at 19:19

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