Dodecahedron (EntityTopic, 12)

From Hi.gher. Space

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| flayout={{FLD|a5|end|e3}}
| flayout={{FLD|a5|end|e3}}
| petrie=10,10,0
| petrie=10,10,0
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| altern=[[Tetrahedron]]
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| dual=[[Icosahedron]]
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| dual=[[Octahedron]]
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}}{{STS Uniform polytope
}}{{STS Uniform polytope
| wythoff=<nowiki>3 | 2 5 </nowiki>
| wythoff=<nowiki>3 | 2 5 </nowiki>

Revision as of 11:02, 1 November 2009


Equations

  • Assumption: Dodecahedron is centered at the origin.
  • Variables:
l ⇒ length of edges of the dodecahedron
total edge length = 30l
surface area = 15l2tan(3π10-1)
volume = 5l3(tan(3π10-1))2(tan(sin-1(2sin(π5-1))-1))2-1
Unknown




Notable Trishapes
Regular: tetrahedroncubeoctahedrondodecahedronicosahedron
Direct truncates: tetrahedral truncatecubic truncateoctahedral truncatedodecahedral truncateicosahedral truncate
Mesotruncates: stauromesohedronstauroperihedronstauropantohedronrhodomesohedronrhodoperihedronrhodopantohedron
Snubs: snub staurohedronsnub rhodohedron
Curved: spheretoruscylinderconefrustumcrind