Angle and Line Symbols
- This is a list of the most common angle and line symbols.
|
|---|
| Symbol | Definition | Example |
|---|
| \(\triangle\) |
triangle |
\(\triangle ABC \) |
| \(\angle\) |
angle |
\(\angle ABC = 60^\circ\) |
| \(\measuredangle\) |
measured angle |
\(\angle ABC \;\measuredangle \;60^\circ\) |
| \(\sphericalangle\) |
spherical angle |
\(\angle ABC \;\sphericalangle\; 60^\circ\) |
| \(c\) |
radian |
\(360^\circ=2\pi^c\) |
| \(g\) |
grad |
\(360^\circ=400^g\) |
| \(\circ\) |
degree |
\(360^\circ\) |
| \(\pi\) |
Pi, \(\pi = 3.141592654... \) |
\(C = \pi \cdot d = 2 \cdot \pi \cdot r\) |
| \(\overleftrightarrow { }\) |
infinite line distance |
\(\overleftrightarrow {AB}\) |
| \(\overline { }\) |
line segment from A to B |
\(\overline {AB}\) |
| \(\overrightarrow { }\) |
start line at point A |
\(\overrightarrow {AB}\) |
| \(\overset{\frown} { }\) |
arc from A to B |
\(\overset{\frown} {AB}\) |
| \(|\;\;|\) |
distance between A and B |
\(|A-B| = 9\) |
| \(\parallel\) |
parallel to |
\(\overline {AB} \parallel \overline {XY} \) |
| \(\nparallel\) |
not parallel to |
\(\overline {AB} \nparallel \overline {XY} \) |
| \(\perp\) |
perpendicular lines |
\(\overline {AB} \perp \overline {XY} \) |
| \(\bigcirc\) |
circle |
|
| \(\odot\) |
center of circle |
\(\odot A\) |
