Circumference
- sextant
A unit of angular distance equal to 60 degrees.
- straight angle
An angle of 180 degrees.
Degree
- degree
A measure for arcs and angles; "there are 360 degrees in a circle".
- minute
A unit of angular distance equal to a 60th of a degree.
Radian
- milliradian
A unit of angular distance equal to one thousandth of a radian.
- radian
The unit of plane angle adopted under the Systeme International d'Unites; equal to the angle...
Also contains
- oxtant
A unit of angular distance equal to half a quadrant.
- microradian
A unit of angular distance equal to one thousandth of a milliradian.
- second
A 60th part of a minute of arc; "the treasure is 2 minutes and 45 seconds south of here".
- mil
An angular unit used in artillery; equal to 1/6400 of a complete revolution.
- grade
One-hundredth of a right angle.
- steradian
The unit of solid angle adopted under the Systeme International d'Unites.