Acronym sriphi
Name small retropental hecatonicosachoron
Cross sections
 ©
Circumradius sqrt[5+2 sqrt(5)] = 3.077684
General of army rox
Colonel of regiment rox
Face vector 720, 3600, 2520, 120
Confer
general polytopal classes:
Wythoffian polychora   noble polytopes  
External
links
hedrondude   polytopewiki   WikiChoron

As abstract polytope sriphi is isomorphic to graphi, thereby replacing decagons by decagrams, resp. by replacing sird by gird.


Incidence matrix

720 |   10 |   10  10 |  10
----+------+----------+----
  2 | 3600 |    2   2 |   4
----+------+----------+----
  4 |    4 | 1800   * |   2
 10 |   10 |    * 720 |   2  {10}
----+------+----------+----
 60 |  120 |   30  12 | 120  sird

© 2004-2024
top of page