Acronym ...
Name hyperbolic order 5 truncated square tiling
 
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Circumradius sqrt[-2-2 sqrt(2)-3 sqrt(5)-2 sqrt(10)]/2 = 2.113125 i
Vertex figure [5,82]
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Incidence matrix according to Dynkin symbol

x4x5o   (N → ∞)

. . . | 20N |   1   2 |  2  1
------+-----+---------+------
x . . |   2 | 10N   * |  2  0
. x . |   2 |   * 20N |  1  1
------+-----+---------+------
x4x . |   8 |   4   4 | 5N  *
. x5o |   5 |   0   5 |  * 4N

snubbed forms: s4x5o

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