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Construct Ellipse Axes (Posted on 2004-12-21) Difficulty: 4 of 5
Given an arbitrary ellipse (not a circle) without a marked center or foci. Using a straightedge and compass construct the major and minor axes.

See The Solution Submitted by Bractals    
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re: Solution (Nice) | Comment 3 of 4 |
(In reply to Solution by Bob)

My hat is off to you Eric.  Nice solution.

Mine is way too complicated and probably wrong.

I'm now trying to prove your parallel-chords-bisector segments pass through the center of the circle.  I think I can use analytic geometry.

-Jer


  Posted by Jer on 2004-12-21 18:23:40
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