Proposition: 4.03: Circumscribing about Circle Triangle Equiangular with Given Angles
(Proposition 3 from Book 4 of Euclid's “Elements”)
To circumscribe a triangle, equiangular with a given triangle, about a given circle.
Modern Formulation
It is possible to circumscribe a triangle with a given angles, about a given circle.
Table of Contents
Proofs: 1
Mentioned in:
Sections: 1
Thank you to the contributors under CC BYSA 4.0!
 Github:

 nonGithub:
 @Fitzpatrick
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