∟

Right Angle

Unicode
U+221F
Category
Math
HTML Entity
∟
CSS
\221F
The Right Angle symbol (∟) is a mathematical notation representing an angle of exactly 90 degrees. Found primarily in geometry and trigonometry, it visually denotes perpendicularity between two intersecting lines or segments. Outside of formal equations, people occasionally use it in text-based diagrams, architecture-related discussions, or as a stylized box-drawing element.

How to Type

Windows
Alt+8735 or Win+. then search 'Right Angle'
macOS
Control+Command+Space then search 'Right Angle'
Linux
Ctrl+Shift+U then 221F
HTML
∟ or ∟

In Programming

In programming and technical documentation, the right angle symbol is typically used within strings, UI text, or comments to illustrate geometric concepts or build text-based ASCII diagrams.

Read full meaning article

Tags

90 degree angle 90 degrees box corner corner corner symbol geometry geometry notation mathematics perpendicular perpendicular sign right angle mark square corner

Related Symbols

± Plus Minus Sign × Multiplication Sign ÷ Division Sign ≠ Not Equal To ≈ Approximately Equal To ∞ Infinity √ Square Root ∑ Summation ∫ Integral π Pi ≤ Less Than or Equal To ≥ Greater Than or Equal To