Angle θ and Arc Length s
The radius of a circle is rotated through an angle
Source
Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:
"OpenStax College, College Physics. November 10, 2012."
http://cnx.org/content/m42083/latest/?collection=col11406/1.7
OpenStax CNX
CC BY 3.0.