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|Vertex figure||Dyad, length|
|Measures (edge length 1)|
|Number of pieces||20|
|Level of complexity||1|
|Conjugates||Small icosagram, icosagram, great icosagram|
|Symmetry||I2(20), order 40|
The icosagon is a polygon with 20 sides. A regular icosagon has equal sides and equal angles.
Icosagons are the largest polygon currently known to appear in a CRF polytope that is not part of ann infinite series, as augmentations of certain icosagon-based duoprisms are CRF.
Stellations[edit | edit source]
- 2-icosagram (compound of 2 decagons)
- 4-icosagram (compound of 4 pentagons)
- 5-icosagram (compound of 5 squares)
- 6-icosagram (compound of 2 decagrams)
- 8-icosagram (compound of 4 pentagrams)
External links[edit | edit source]
- Bowers, Jonathan. "Regular Polygons and Other Two Dimensional Shapes".
- Wikipedia Contributors. "Icosagon".