Definition:Euclid's Definitions - Book IV/4 - Circumscribed about Circle
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Definition
In the words of Euclid:
- A rectilineal figure is said to be circumscribed about a circle, when each side of the circumscribed figure touches the circumference of the circle.
(The Elements: Book $\text{IV}$: Definition $4$)
Sources
- 1926: Sir Thomas L. Heath: Euclid: The Thirteen Books of The Elements: Volume 2 (2nd ed.) ... (previous) ... (next): Book $\text{IV}$. Definitions