How to Write the Big Triangle Up Symbol (△) in LaTeX

In LaTeX, you can write the big triangle up symbol (△) using the \bigtriangleup command.

The following examples show how to write the big triangle up symbol in LaTeX.

How to Write the Big Triangle Up Symbol in Text

We can use the \bigtriangleup command to write the big triangle up symbol in LaTeX document for text.

Suppose we want to write the big triangle up symbol in the text.

We can use the following LaTeX code to do so:

\documentclass{article}
\begin{document}

This is an example of using the big triangle up symbol \(\bigtriangleup\) in a sentence.

\end{document}

Output: 👇️

This is an example of using the big triangle up symbol △ in a sentence.

In this example, we use the \bigtriangleup command to display the big triangle up symbol in the text.

How to Write the Big Triangle Up Symbol in Mathematical Expressions

For mathematical expressions, we can use the \bigtriangleup command to ensure proper formatting.

Suppose we would like to write mathematical expressions that contain the big triangle up symbol.

We can use the following LaTeX code to do so:

\documentclass{article}
\begin{document}

An inline mathematical expression: \( A \bigtriangleup B \).

A displayed mathematical expression:
\[
A \bigtriangleup B = C
\]

\end{document}

Output: 👇️

In this example, we use the \bigtriangleup command to denote the big triangle up symbol in both inline and displayed mathematical expressions.

Conclusion

We can use the \bigtriangleup command for both text and mathematical expressions. This ensures that the big triangle up symbol is properly formatted and displayed in LaTeX document.