How to use right triangle(⊳) symbol in LaTeX?

Symbol/Unicode	Right triangle/U+22B3
Type of symbol	Mathematical Operators
Package (requirement)	amssymb
Argument	No
Latex command	`\vartriangleright`
Example	`\vartriangleright` → ⊳

You need to use the \vartriangleright command of the amssymb package to print the Right triangle symbol in a Latex document.

\documentclass{article}
\usepackage{amssymb}
\begin{document}
     \[ \vartriangleright Go \;\; Slow \]
     \[ \vartriangleright Turn \;\; Right \]
     \[ \vartriangleright Turn \;\; Left \]
\end{document}

Output :