During AMC testing, the AoPS Wiki is in read-only mode. No edits can be made.

Difference between revisions of "Radius"

m
m
Line 1: Line 1:
 
{{stub}}
 
{{stub}}
  
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]

See Also

Invalid username
Login to AoPS