en:User:ChrisRuvolo ChrisRuvolo ( en:User_talk:ChrisRuvolo Talk) . . 300x300 (939 bytes) ( en:Decagon Decagon in en:SVG SVG. { { PD-ineligible } })...
English Ptolemy's theorem on the regular decagon. Greek Το θεώρημα Πτολεμαίου στο κανονικό δεκάγωνο. determination method: SHA-1...
Creative Commons Attribution-Share Alike 4.0 truetrue English Isotoxal decagon Wikimedia username: Tomruen URL: https://commons.wikimedia.org/wiki/user:Tomruen...
BY-SA 4.0 Creative Commons Attribution-Share Alike 4.0 truetrue English Decagon by 20 versatiles author name string: Tomruen Wikimedia username: Tomruen...
Commons Attribution-Share Alike 4.0 truetrue English Concave isotoxal decagon Wikimedia username: Tomruen URL: https://commons.wikimedia.org/wiki/user:Tomruen...
Commons Attribution-Share Alike 4.0 truetrue English Intersecting isotoxal decagon Wikimedia username: Tomruen URL: https://commons.wikimedia.org/wiki/user:Tomruen...
in File:6_decagons designed_to_intersect pairwise_along_a_diameter_in_3D.svg and File:6_decagons designed_to_intersect pairwise_along_a_diameter_in_3D_FR.svg French...
Alike 4.0 truetrue English Concentric regular decagons, with black discs as vertices of the convex decagon inscribed in a red circle, of which the stellation...
decagon.svg English: en:decagon dissected into penrose rhombi Date 24 February 2018 Source Own work Author Tomruen Other versions File:Dart decagon ccw...