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Parallel Bisections (Posted on 2006-11-27) Difficulty: 3 of 5
In triangle ABC, the perpendiculars from A to the internal bisectors of angles B and C meet those bisectors at X and Y. Prove that XY is parallel to BC.

See The Solution Submitted by Bractals    
Rating: 1.0000 (1 votes)

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Question re: Solution | Comment 2 of 3 |
(In reply to Solution by Eric)

How do we know triangles  ADB and AEC are isosceles?
  Posted by Charlie on 2006-11-27 13:24:37

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