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Geometry Problem 653: Archimedes' Book of Lemmas: Proposition 13 - Circle, Chord, Perpendicular

If a diameter AB of a circle meet any chord CD, not a diameter, in E, and if AF, BG be drawn perpendicular to CD, then CG = DF.

  

Archimedes' Book of Lemmas: Proposition 13
 
 


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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