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Disk Division (Posted on 2004-12-09) Difficulty: 3 of 5
Divide a circular disk into seven parts with a straightedge and compass such that each part has the same area and perimeter.

See The Solution Submitted by Bractals    
Rating: 4.1000 (10 votes)

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re: Heptagon vs. 180 rotation | Comment 15 of 17 |
(In reply to Heptagon vs. 180 rotation by nikki)

I didn't mean to actually perform a rotation - the 180 rotation comment was simply there to give an idea of where the two segments would be in relation to each other, starting from each endpoint. It's best displayed in Jer's picture.
  Posted by Eric on 2004-12-12 16:46:12

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