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Geometry Problem 649: Archimedes' Book of Lemmas: Proposition 10, Tangent, Chord, Parallel

AB and AC are two tangents to a circle and AD cuts it. Let CE be the chord through C parallel to AD, and let BE meet AD in F. Then, if FG be drawn perpendicular to CE, it will bisect it in G. See also iPad Productivity Apps; Adobe Spark Post

  


 
 


Books of Lemmas Index

Proposition 1
Proposition 2
Proposition 3
Proposition 4
Proposition 5
Proposition 6
Proposition 7
Proposition 8
Proposition 9
Proposition 10
Proposition 11
Proposition 12
Proposition 13
Proposition 14
Proposition 15

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