Euclid:Proposition/III/27
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Proposition
In the words of Euclid:
- In equal circles angles standing on equal circumferences are equal to one another, whether they stand at the centres or at the circumferences.
(The Elements: Book $\text{III}$: Proposition $27$)
Sources
- 1926: Sir Thomas L. Heath: Euclid: The Thirteen Books of The Elements: Volume 2 (2nd ed.) ... (previous) ... (next): Book $\text{III}$. Propositions