"Center" and "centre" redirect here. For other uses, see: Center (disambiguation).

In geometry, the centre or center of an object is a point in some sense in the middle of the object. If geometry is regarded as the study of isometry groups then the centre is a fixed point of the isometries.

Circles

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The centre of a circle is the point equidistant from the points on the edge. Simlarly the centre of a sphere is the point equidistant from the points on the surface, and the centre of a line segment is the midpoint of the two ends.

More on [ Centre (geometry) ]

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Women's Victory: Baltimore Crisis Pregnancy Centers Must Now Disclose The Limited Nature of Their Services http://shar.es/aO5KS
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