Editing Angle trisection (section)

==External links==
*[http://mathworld.wolfram.com/AngleTrisection.html MathWorld site]
*[http://mathworld.wolfram.com/GeometricProblemsofAntiquity.html Geometric problems of antiquity, including angle trisection]
*[http://www-history.mcs.st-andrews.ac.uk/HistTopics/Trisecting_an_angle.html Some history]
*[https://web.archive.org/web/20091227084452/http://www.uwgb.edu/dutchs/PSEUDOSC/trisect.HTM One link of marked ruler construction]
*[http://www.cut-the-knot.org/pythagoras/archi.shtml Another, mentioning Archimedes]
*[https://web.archive.org/web/20131104113041/http://www.jimloy.com/geometry/trisect.htm A long article with many approximations & means going outside the Greek framework]
*[http://www.geom.uiuc.edu/docs/forum/angtri/ Geometry site]

===Other means of trisection===
*[[Commons:File:01-Trisection of angle E-10 Animation.gif| Approximate angle trisection as an animation, max. error of the angle ≈ ±4E-8°]]
*[https://web.archive.org/web/20110831120043/http://trisectlimacon.webs.com/ Trisecting via] ([https://archive.today/20091025181718/http://www.geocities.com/trisect_limacon/ Archived] 2009-10-25) the ''[[limacon]] of [[Blaise Pascal|Pascal]]''; see also ''[[Trisectrix]]''
*[https://web.archive.org/web/20091227084452/http://www.uwgb.edu/dutchs/PSEUDOSC/trisect.HTM Trisecting via] an ''[[Archimedean Spiral]]''
*[http://xahlee.org/SpecialPlaneCurves_dir/ConchoidOfNicomedes_dir/conchoidOfNicomedes.html Trisecting via] the ''[[Conchoid (mathematics)|Conchoid]] of [[Nicomedes (mathematician)|Nicomedes]]''
*[https://www.sciencenews.org/article/trisecting-angle-origami sciencenews.org site] on using [[origami]]
*{{usurped|1=[https://web.archive.org/web/20071208124719/http://www.song-of-songs.net/Star-of-David-Flower-of-Life.html Hyperbolic trisection and the spectrum of regular polygons]}}

{{Greek mathematics}}
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[[Category:Euclidean plane geometry|*]]
[[Category:Unsolvable puzzles]]
[[Category:Articles containing proofs]]
[[Category:History of geometry]]
[[Category:Straightedge and compass constructions]]
[[Category:Greek mathematics]]