Dodecagon
Author
Eric W. Weisstein
Title
Dodecagon
Description
A dodecagon is a 12-sided polygon. Several special types of dodecagons are illustrated above. In particular, a dodcacgon with vertices equally spaced around a circle and with all sides the same length is a regular polygon known as a regular dodecagon.
Category
Educational Materials
Keywords
URL
http://www.notebookarchive.org/2019-07-0z5japf/
DOI
https://notebookarchive.org/2019-07-0z5japf
Date Added
2019-07-02
Date Last Modified
2019-07-02
File Size
226.31 kilobytes
Supplements
Rights
Redistribution rights reserved
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Dodecagon
Dodecagon
Author
Author
Eric W. Weisstein
July 3, 2018
July 3, 2018
©2018 Wolfram Research, Inc. except for portions noted otherwise
Examples
Examples
In[]:=
laminae=Select[EntityList[EntityClass["Lamina","Polygon"]],#["VertexCount"]12&]
Out[]=
,,,,,,
hexagram
rectangular cross beam
square cross
square I-beam
tapered I-beam
tilted square cross
uneven square I-beam
In[]:=
Show[#,PlotLabel#2]&@@@EntityValue[laminae,{"Graphics","Name"}]
Out[]=
,
,
,
,
,
,
Figure
Figure
In[]:=
tapered I-beam | LAMINA |
Out[]=
In[]:=
polys=RegularPolygon[12]->"regular dodecagon",Polygon
["Vertices"][1]->"hexagram boundary",Polygon
["Vertices"][.5,2]->"square cross",Polygon
["Vertices"][.2,.5,.8,.9,1]->"I-beam",Polygon
["Vertices"][1,1/3]->"Purina logo-like polygon",{Polygon[CirclePoints[.5,6]],Polygon[CirclePoints[6]]}"hexagonal annulus";
hexagram | LAMINA |
square cross | LAMINA |
tapered I-beam | LAMINA |
square cross | LAMINA |
In[]:=
GraphicsGrid[Partition[Graphics[{EdgeForm[Black],FaceForm[None],#},PlotLabel->Style[TextCell[#2,PageWidth100,TextAlignmentCenter],Directive[Italic,FontFamily"Times"]]]&@@@polys,UpTo[3]],Spacings50,ImageSize500]
Out[]=
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Cite this as: Eric W. Weisstein, "Dodecagon" from the Notebook Archive (2018), https://notebookarchive.org/2019-07-0z5japf
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