Definition:Euclid's Definitions - Book III/8 - Angle in Segment
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Definition
In the words of Euclid:
- An angle in a segment is the angle which, when a point is taken on the circumference of the segment and straight lines are joined from it to the extremities of the straight line which is the base of the segment, is contained by the straight lines so joined.
(The Elements: Book $\text{III}$: Definition $8$)
Sources
- 1926: Sir Thomas L. Heath: Euclid: The Thirteen Books of The Elements: Volume 2 (2nd ed.) ... (previous) ... (next): Book $\text{III}$. Definitions