⊿

Math Operator 188

Unicode
U+22BF
Category
Math
HTML Entity
⊿
CSS
\22BF
The ⊿ symbol represents a right triangle in geometry, typically used to denote a shape with a 90-degree angle, such as ⊿ABC. In Unicode, it belongs to the mathematical operators block. Beyond math equations, you might spot it in Japanese typography or online text as a unique bullet point or decorative geometric element.

How to Type

Windows
Alt + 8895 or Win + . then search "right triangle"
macOS
Control + Command + Space then search "right triangle"
Linux
Ctrl + Shift + U then 22bf
HTML
⊿

In Programming

In technical documentation and programming, this symbol is primarily used to render mathematical formulas, geometric proofs, or spatial data within educational and CAD applications.

Tags

90 degree triangle Japanese bullet point decorative triangle geometric text symbol geometry math shape mathematics pythagorean pythagorean triangle right angle triangle right triangle right triangle symbol shape triangle geometry unicode triangle

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