How to type ∟ on Windows
The fastest method on a full-size keyboard is the Alt code Alt+28.
- Make sure Num Lock is on.
- Hold down the Alt key.
- Type 28 on the numeric keypad (the number row will not work).
- Release Alt. The right angle symbol ∟ appears.
No numeric keypad?
Press Win+. to open the emoji panel, choose the Symbols tab (Ω) and search for "right angle". Or open Character Map from the Start menu, find ∟, click Select, then Copy.
How to type ∟ on a Mac
There is no direct keyboard shortcut for ∟ on a Mac.
For any symbol, the Character Viewer works: press Control+⌘+Space, type "right angle" in the search box and double-click the result. It will be remembered under Frequently Used.
How to type ∟ on iPhone and iPad
The iOS keyboard does not include ∟, so the reliable way is to copy it from this page, then press and hold in any text field and tap Paste.
If you use it often, create a shortcut: open Settings → General → Keyboard → Text Replacement, paste ∟ in the Phrase field and type a short code such as ;right in the Shortcut field. Typing that code will then insert ∟ anywhere.
How to type ∟ on Android
Copy the symbol from this page, then long-press in a text field and choose Paste. Gboard also keeps a clipboard history: tap the clipboard icon on the toolbar to paste it again later.
For a permanent shortcut, open Gboard settings → Dictionary → Personal dictionary, add ∟ as the word and a short code as the shortcut.
How to type ∟ in Microsoft Word
- Type the Unicode hex code 221F where you want the symbol.
- Press Alt+X. Word converts the code into ∟.
This works on Windows in Word, Outlook and OneNote and needs no numeric keypad. You can also go to Insert → Symbol → More Symbols, set the font to a Unicode font and type 221F in the Character code box. In Excel, the formula =UNICHAR(8735) returns the symbol.
How to type ∟ in Google Docs
Open Insert → Special characters, then either search for "right angle" or draw the symbol in the sketch box. Click the result to insert it. In Google Sheets, use =CHAR(8735).
∟ in HTML, CSS and code
| Format | Code |
|---|---|
| HTML entity | ∟ |
| HTML decimal | ∟ |
| HTML hex | ∟ |
CSS content | "\221F" |
| JavaScript | "\u221F" |
| Python | "\u221F" |
| URL encoded | %E2%88%9F |
Because ∟ is a standard Unicode character (U+221F), you can also paste it directly into any UTF-8 file. The escaped forms above are only needed when the file encoding is uncertain or the symbol must be entered on a keyboard without it.
Where the right angle symbol is used
Used in math and geometry texts to label right angles in diagrams, such as marking a corner in triangle ABC as ∟ABC. It's distinct from the angle symbol ∠, which denotes a general angle rather than specifically a 90-degree one.
Frequently asked questions
What does ∟ mean in geometry? +
It marks a right angle, meaning the angle formed measures exactly 90 degrees, often shown at the corner of a figure.
What is the difference between ∟ and ∠? +
∠ represents a generic angle of any measure, while ∟ specifically indicates a right angle of 90 degrees.
What is the Alt code for the right angle symbol? +
The Alt code for ∟ is Alt+28. Hold Alt, type 28 on the numeric keypad, then release Alt.
How do I type ∟ on a Mac? +
There is no dedicated Mac shortcut for ∟. Open the Character Viewer with Control + Command + Space, search for "right angle", and double-click it. Or copy it from this page.
How do I type the right angle symbol on iPhone or Android? +
Phone keyboards do not include ∟ by default. Copy it from this page and paste it, or add it as a text replacement shortcut in Settings so you can type it with a short abbreviation.
What is the HTML code for ∟? +
Use ∟ in HTML. The numeric form ∟ works too. In CSS use content: "\221F" and in JavaScript use "\u221F".