Radius: Difference between revisions
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The '''radius''' of a [[circle]] is the distance from the center to any point on the circle. Identical definitions hold for the [[sphere]] and [[hypersphere]]. | The '''radius''' of a [[circle]] is the distance from the center to any point on the circle. Identical definitions hold for the [[sphere]] and [[hypersphere]]. The plural form of radius is radii. | ||
<asy>size(115); | <asy>size(115); | ||
Revision as of 21:05, 4 February 2019
This article is a stub. Help us out by expanding it.
The radius of a circle is the distance from the center to any point on the circle. Identical definitions hold for the sphere and hypersphere. The plural form of radius is radii.
![[asy]size(115); pair O=origin, P=dir(30); D(unitcircle); D(O--P); MP("O",D(O),NNW); MP("P",D(P),NE); MP("r",midpoint(O--P),NNW);[/asy]](http://latex.artofproblemsolving.com/e/d/4/ed4ec9a3b68162af331597521408df85157f6a2d.png)
