Difference between revisions of "Centre (mathematics)"

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In [[mathematics]], '''centre''' may refer to:
 
In [[mathematics]], '''centre''' may refer to:
 
  
 
* In an algebraic structure, elements that commute with every element of the structure
 
* In an algebraic structure, elements that commute with every element of the structure
 
** The [[centre of a group]], elements that commute with every group element
 
** The [[centre of a group]], elements that commute with every group element
* The centre of a [[circle]]
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** The [[centre of a ring]], elements that commute with every ring element
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* The centre of a [[Circle (mathematics)|circle]]
 
* The centre of mass, centroid or [[barycentre]] of a geometrical figure
 
* The centre of mass, centroid or [[barycentre]] of a geometrical figure
 
* In [[triangle geometry]]
 
* In [[triangle geometry]]
** The [[centroid]], intersection of the [[median]]s
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** The [[centroid]], intersection of the [[median (geometry)|median]]s
 
** The [[circumcentre]], intersection of the [[perpendicular bisector]]s of the sides, centre of the circle through the vertices
 
** The [[circumcentre]], intersection of the [[perpendicular bisector]]s of the sides, centre of the circle through the vertices
 
** The [[nine-point centre]]
 
** The [[nine-point centre]]
** The [[orthocentre]], intersection of the [[altitude]]s
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** The [[orthocentre]], intersection of the [[altitude (geometry)|altitude]]s
 
** The [[incentre]], centre of a circle [[tangent]] to the sides  
 
** The [[incentre]], centre of a circle [[tangent]] to the sides  
 
** The [[excentre]]s, centres of the three circles internally tangent to one side and  externally to the other two
 
** The [[excentre]]s, centres of the three circles internally tangent to one side and  externally to the other two

Latest revision as of 23:51, 12 February 2009

This disambiguation page lists articles associated with the same or a similar title.

In mathematics, centre may refer to: