Definition:Euclid's Definitions - Book III/9 - Stand on Circumference

Definition

In the words of Euclid:

And, when the straight lines containing the angle cut off a circumference, the angle is said to stand upon that circumference.

(The Elements: Book $\text{III}$: Definition $9$)

Sources

• 1926: Sir Thomas L. Heath: Euclid: The Thirteen Books of The Elements: Volume 2 (2nd ed.) ... (previous) ... (next): Book $\text{III}$. Definitions