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Online Math: Geometry Problem 1221: Intersecting Circles, Chord, Tangent, Parallel Chords, Collinear Points. Tiled background image: Intihuatana, Machu Picchu. Level: College, High School.

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Circles O and Q intersect at A and B (figure below). Chord CD is tangent to circle Q at T. BT extended cuts circle O at E and EF is parallel to CD. Prove that F, T, and A are collinear points.
 
 

Geometry Problem 1221: Intersecting Circles, Chord, Tangent, Parallel Chords, Collinear Points.
 
 

 

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Last updated: Jun 2, 2016