File:Regular enneagon symmetries.png

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English: Symmetries of a regular enneagon, with markups

Reworked from "The Symmetries of Things", Chapter 20

The regular enneagon has Dih9 dihedral symmetry, order 18, and 5 lower dihedral and cyclic symmetries. The dihedral symmetries pass through vertices and edges. Cyclic symmetries in the middle column are labeled as g for their central gyration orders.
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Author Tomruen
Other versions File:Symmetries of enneagon.png

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Date/TimeThumbnailDimensionsUserComment
current17:22, 5 September 2021Thumbnail for version as of 17:22, 5 September 2021633 × 1,021 (44 KB)Tomruen (talk | contribs)Rework, half groups below, index 3 diagonal
02:36, 18 September 2015Thumbnail for version as of 02:36, 18 September 2015713 × 917 (47 KB)Tomruen (talk | contribs)User created page with UploadWizard

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