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## Definition: 1.16: Center of the Circle

### (Definition 16 from Book 1 of Euclid’s “Elements”)

And the point is1 called the center of the circle.

### Modern Definition

Euclid’s definition corresponds to today’s formulation.

1 i.e. the point used in the proceeding Definition 15 from Book 1 of Euclid’s “Elements”.

### Example

A circle with the center $$C$$.

| | | | | created: 2017-02-04 10:17:14 | modified: 2019-02-15 07:00:13 | by: bookofproofs | references: [6419]