How to use congruent(≅) symbol in LaTeX?

Symbol/UnicodeCongruent/U+2245
Type of symbolMathematics
Package (requirement)No
ArgumentNo
Latex command\cong
Example\cong → ≅

In mathematical geometry, congruent symbols are used to compare two triangles. You need to use \cong command for this symbol in latex.

\documentclass{article}
\begin{document}
   \[ \triangle\mathrm{ABC}\cong\triangle\mathrm{PQR} \]
   \[ \overline{\mathrm{BC}}\cong\overline{\mathrm{QR}} \]
   \[ \angle\mathrm{BCA}\cong\angle\mathrm{RQP} \]
\end{document}

Output :

Use of congruent symbol output.

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