LaTeX Triangle () - Complete Guide

The triangle symbol (△) represents a triangle in geometric notation.

Symbol Preview

Triangle

LaTeX Code

No package required

Recommended
\triangle

Triangle symbol

What is the LaTeX Triangle?

The triangle symbol is used to denote a triangular shape or a triangle in geometric diagrams and notation.

How to Use Triangle in LaTeX

Method 1: Using \triangle

No package required

Triangle symbol

Example: Using \triangle

latex
\documentclass{article}

\begin{document}

% Using the Triangle
Text with \triangle

\end{document}

Common Use Cases

The Triangle symbol is commonly used in the following contexts:

Triangle Notation

Referring to a triangle.

Code

$\triangle ABC$

Output

△ABC

Complete Examples

Triangle Example

Triangle notation

latex
\documentclass{article}
\begin{document}

In $\triangle ABC$, if all sides are equal, it is equilateral.

\end{document}

Frequently Asked Questions

Which method should I use?

We recommend using the method marked as "Recommended" above. However, the best method depends on your specific needs:

  • \triangle: Triangle symbol

Where do I use this symbol?

This symbol can be used:

  • In mathematical equations (math mode)
  • In regular text (if using text mode)
  • In various document environments

Can I use this in display mode?

Yes, symbols that work in math mode (between $ $) also work in display mode (between $$ $$). This allows you to display the symbol on its own line with larger formatting.

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