Definition:Euclid's Definitions - Book III/4 - Equally Distant in Circle
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Definition
In the words of Euclid:
- In a circle straight lines are said to be equally distant from the center when the perpendiculars drawn to them from the center are equal.
(The Elements: Book $\text{III}$: Definition $4$)
Sources
- 1926: Sir Thomas L. Heath: Euclid: The Thirteen Books of The Elements: Volume 2 (2nd ed.) ... (previous) ... (next): Book $\text{III}$. Definitions