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This page is about Center in the context of Circle. For other uses, see Center.



In the words of Euclid:

And the point is called the center of the circle.

(The Elements: Book $\text{I}$: Definition $16$)

In the above diagram, the center is the point $A$.

Linguistic Note

The British English spelling of center is centre.

The convention on $\mathsf{Pr} \infty \mathsf{fWiki}$ is to use the American English spelling center, but it is appreciated that there may be lapses.