Difference between revisions of "Center (geometry)"
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The '''center''' of a [[circle]] or [[sphere]] is a [[point]] inside the circle which is [[equidistant]] from all points on the circle. | The '''center''' of a [[circle]] or [[sphere]] is a [[point]] inside the circle which is [[equidistant]] from all points on the circle. | ||
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==Triangle centers== | ==Triangle centers== | ||
| − | The [[centroid]] is where the three [[median]]s of the triangle meet. | + | *The [[centroid]] is where the three [[median]]s of the triangle meet. |
| − | The [[incenter]] of the triangle is where the three [[angle bisector]]s meet. It is also the center of the [[incircle]]. | + | *The [[incenter]] of the triangle is where the three [[angle bisector]]s meet. It is also the center of the [[incircle]]. |
| − | The [[circumcenter]] is where the [[perpendicular bisector]]s of the triangles sides meet. It is also the center of the [[circumcircle]]. | + | *The [[circumcenter]] is where the [[perpendicular bisector]]s of the triangles sides meet. It is also the center of the [[circumcircle]]. |
| − | The [[orthocenter]] Is where the [[altitude]]s of the triangle meet. | + | *The [[orthocenter]] Is where the [[altitude]]s of the triangle meet. |
{{stub}} | {{stub}} | ||
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[[Category:Geometry]] | [[Category:Geometry]] | ||
Latest revision as of 01:50, 12 May 2008
The center of a circle or sphere is a point inside the circle which is equidistant from all points on the circle.
Triangle centers
- The incenter of the triangle is where the three angle bisectors meet. It is also the center of the incircle.
- The circumcenter is where the perpendicular bisectors of the triangles sides meet. It is also the center of the circumcircle.
- The orthocenter Is where the altitudes of the triangle meet.
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