Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.
Radius (plural: radii)
The radius of a circle is the distance between its center and a point in it, which is half its diameter. For a circle defined as , is its radius.