0x221F
0x221F is the hexadecimal notation for the Unicode code point U+221F, which is a mathematical symbol named RIGHT ANGLE. The character is typically rendered as the glyph ∟ and is used in geometry to denote a right angle. It is distinct from the angle symbol ∠ (U+2220).
Unicode and encoding: U+221F belongs to the Mathematical Operators block (U+2200–U+22FF). Its general category is Math
Usage and context: The right angle symbol is commonly used in geometry, trigonometry, and related diagrams to