U+22BF "⊿" Right Triangle Unicode Character
Unicode Version 17.0
⊿
U+22BF "⊿" Right Triangle is a mathematical symbol representing a right angled triangle, often used in geometry, trigonometry, and technical notation to denote a specific triangular shape with one 90 degree angle. It is part of the Unicode block for mathematical operators, where it serves as a concise visual placeholder in equations, diagrams, or textual explanations, such as indicating a right triangle in a set or referencing the figure in proofs. Its design typically shows a solid triangle with a small square or notch at the right angle vertex to distinguish it from other triangle symbols.
General Properties
| Code Point | U+22BF |
| Version Added | 1.1 |
| Name | Right Triangle |
| Block | Mathematical Operators |
| General Category | Math Symbol |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Other Neutral |
| Mirrored | Yes |
Encodings
| HTML Decimal Encoding | ⊿ |
| HTML Hex Encoding | ⊿ |
| UTF-8 Encoding | 0xE2 0x8A 0xBF |
| UTF-16 Encoding | 0x22BF |
| UTF-32 Encoding | 0x000022BF |
| C/C++/Java Escape | \u22bf |