What it means
∠ABC is the angle at B between the lines to A and to C.
Read aloud in real formulas
∠ABC = 90°
Aethel says
angle ABC equals 90 degrees
a right angle at B
Typing it
- LaTeX
- \angle
- Unicode
- U+2220
Questions
How do you say ∠ out loud?
It is usually read “angle”.
What does ∠ mean in maths?
∠ABC is the angle at B between the lines to A and to C.
How do you type ∠?
In LaTeX, write \angle. Its Unicode code point is U+2220.