| Acronym | sided | 
| TOCID symbol | sIDE* | 
| Name | 
snub icosidodecadodecahedron, dagon  | 
| VRML | 
  | 
| Circumradius | 
sqrt[(2ρ-1)/(ρ-1)]/2 = 1.126898
 where ρ = (cbrt[9-sqrt(69)]+cbrt[9+sqrt(69)])/cbrt(18) = 1.324718 is the plastic number, the only real solution of x3-x-1=0  | 
| Vertex figure | [5/3,33,5,3] | 
| Colonel of regiment | (is itself not locally convex, but no other uniform polyhedral members) | 
| Face vector | 60, 180, 104 | 
| Confer | |
| 
External links  | 
 
  
 
  
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As abstract polytope sided is isomorphic to gisdid, thereby replacing (prograde) pentagons by prograde pentagrams, while retrrograde pentagrams keep unchanged.
Incidence matrix according to Dynkin symbol
     s     
  5 / \ 5/3
   s---s   
     3     
s5/3s3s5*a
demi( .   . .    ) | 60 |  2  2  2 |  1  1  1  3
-------------------+----+----------+------------
sefa( s5/3s .    ) |  2 | 60  *  * |  1  0  0  1
sefa( s   . s5*a ) |  2 |  * 60  * |  0  1  0  1
sefa( .   s3s    ) |  2 |  *  * 60 |  0  0  1  1
-------------------+----+----------+------------
      s5/3s .      ♦  5 |  5  0  0 | 12  *  *  *
      s   . s5*a   ♦  5 |  0  5  0 |  * 12  *  *
      .   s3s      ♦  3 |  0  0  3 |  *  * 20  *
sefa( s5/3s3s5*a ) |  3 |  1  1  1 |  *  *  * 60
starting figure: x5/3x3x5*a
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