Angle Letters
∟ ∠ ∡ ∢ ⊾ ⍼ ⟀ ⟂ ⦛ ⦜ ⦝ ⦞ ⦟ ⦠ ⦡ ⦢ ⦣ ⦤ ⦥ ⦦ ⦧ ⦨ ⦩ ⦪ ⦫ ⦬ ⦭ ⦮ ⦯ ⸀ ⸁ ꜚ
| Angle Symbol | Symbol Name | Dec Code | Hex Code | Unicode |
|---|---|---|---|---|
| ∟ | Right Angle | ∟ | ∟ | U+221F |
| ∠ | Angle | ∠ | ∠ | U+2220 |
| ∡ | Measured Angle | ∡ | ∡ | U+2221 |
| ∢ | Spherical Angle | ∢ | ∢ | U+2222 |
| ⊾ | Right Angle With Arc | ⊾ | ⊾ | U+22BE |
| ⍼ | Right Angle With Downwards Zigzag Arrow | ⍼ | ⍼ | U+237C |
| ⟀ | Three Dimensional Angle | ⟀ | ⟀ | U+27C0 |
| ⟂ | Perpendicular | ⟂ | ⟂ | U+27C2 |
| ⦛ | Measured Angle Opening Left | ⦛ | ⦛ | U+299B |
| ⦜ | Right Angle Variant With Square | ⦜ | ⦜ | U+299C |
| ⦝ | Measured Right Angle With Dot | ⦝ | ⦝ | U+299D |
| ⦞ | Angle With S Inside | ⦞ | ⦞ | U+299E |
| ⦟ | Acute Angle | ⦟ | ⦟ | U+299F |
| ⦠ | Spherical Angle Opening Left | ⦠ | ⦠ | U+29A0 |
| ⦡ | Spherical Angle Opening Up | ⦡ | ⦡ | U+29A1 |
| ⦢ | Turned Angle | ⦢ | ⦢ | U+29A2 |
| ⦣ | Reversed Angle | ⦣ | ⦣ | U+29A3 |
| ⦤ | Angle With Underbar | ⦤ | ⦤ | U+29A4 |
| ⦥ | Reversed Angle With Underbar | ⦥ | ⦥ | U+29A5 |
| ⦦ | Oblique Angle Opening Up | ⦦ | ⦦ | U+29A6 |
| ⦧ | Oblique Angle Opening Down | ⦧ | ⦧ | U+29A7 |
| ⦨ | Measured Angle With Open Arm Ending In Arrow Pointing Up And Right | ⦨ | ⦨ | U+29A8 |
| ⦩ | Measured Angle With Open Arm Ending In Arrow Pointing Up And Left | ⦩ | ⦩ | U+29A9 |
| ⦪ | Measured Angle With Open Arm Ending In Arrow Pointing Down And Right | ⦪ | ⦪ | U+29AA |
| ⦫ | Measured Angle With Open Arm Ending In Arrow Pointing Down And Left | ⦫ | ⦫ | U+29AB |
| ⦬ | Measured Angle With Open Arm Ending In Arrow Pointing Right And Up | ⦬ | ⦬ | U+29AC |
| ⦭ | Measured Angle With Open Arm Ending In Arrow Pointing Left And Up | ⦭ | ⦭ | U+29AD |
| ⦮ | Measured Angle With Open Arm Ending In Arrow Pointing Right And Down | ⦮ | ⦮ | U+29AE |
| ⦯ | Measured Angle With Open Arm Ending In Arrow Pointing Left And Down | ⦯ | ⦯ | U+29AF |
| ⸀ | Right Angle Substitution Marker | ⸀ | ⸀ | U+2E00 |
| ⸁ | Right Angle Dotted Substitution Marker | ⸁ | ⸁ | U+2E01 |
| ꜚ | Modifier Letter Lower Right Corner Angle | ꜚ | ꜚ | U+A71A |
The angle symbol, denoted by the Greek letter theta or the angle symbol itself, is used to express the measurement of an angle in degrees or radians. It is a fundamental concept in geometry, trigonometry, calculus, and other areas of mathematics. The symbol has a rich history, dating back to ancient Greece, and has become a universal symbol in mathematics, science, and engineering. Its importance and relevance to modern mathematics make it an essential symbol for students and professionals to understand and use in their work.