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Online Math: Geometry Problem 1189: Circle, Tangent Line, Secant, Chord, Collinear Points. Tiled background image: Intihuatana, Machu Picchu. Level: College, High School.

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In the figure below, AB and AC are tangents to a circle O and ADE and AFG are secants. The chords DG and EF meet at H. Prove that B, H, and C are collinear points. See also: Artwork of problem 1189, Warp Speed, Hyperdrive, Art 1.
  

Geometry Problem 1189: Circle, Tangent Line, Secant, Chord, Collinear Points.
 
 

 

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Last updated: Feb 20, 2016