Khác biệt giữa bản sửa đổi của “Đa giác đều”

Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.7
n (clean up, replaced: → (7), → (2) using AWB)
(Rescuing 1 sources and tagging 0 as dead.) #IABot (v2.0.7)
*[http://www.mathopenref.com/polygonincircle.html Incircle of a Regular Polygon] With interactive animation
*[http://www.mathopenref.com/polygonregulararea.html Area of a Regular Polygon] Three different formulae, with interactive animation
*[httphttps://web.archive.org/web/2007062516210320060212072618/http://mathdl.maa.org/convergence/1/?pa=content&sa=viewDocument&nodeId=1056&bodyId=1245 Renaissance artists' constructions of regular polygons] at [http://web.archive.org/web/20060212072618/http://mathdl.maa.org/convergence/1/ Convergence]
 
[[Thể loại:Đa giác]]
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