Proposition: 4.15: Side of Hexagon Inscribed in a Circle Equals the Radius of that Circle
Euclid's Formulation
To inscribe an equilateral and equiangular hexagon in a given circle.
 Let $ABCDEF$ be the given circle.
 So it is required to inscribe an equilateral and equiangular hexagon in circle $ABCDEF$.
Modern Formulation
It is possible to inscribe a regular hexagon in a given circle.
Table of Contents
Proofs: 1 Corollaries: 1
Mentioned in:
Proofs: 1
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References
Adapted from (subject to copyright, with kind permission)
 Fitzpatrick, Richard: Euclid's "Elements of Geometry"
Adapted from CC BYSA 3.0 Sources:
 Prime.mover and others: "Pr∞fWiki", https://proofwiki.org/wiki/Main_Page, 2016