Acronym | ... |
TOCID symbol | (10/2)P, t(5/2)P |
Name | 2pip (?), decagonal prism with winding number 2 |
Circumradius | sqrt[(15+2 sqrt(5))/20] = 0.986715 |
Vertex figure | [42,10/2] |
Snub derivation |
(type A) (type B) |
Confer |
It looks like a compound of two pentagonal prisms (pip), and indeed vertices, edges, and {4}-faces coincide by pairs.
Incidence matrix according to Dynkin symbol
x x10/2o . . . | 20 | 1 2 | 2 1 ---------+----+-------+----- x . . | 2 | 10 * | 2 0 . x . | 2 | * 20 | 1 1 ---------+----+-------+----- x x . | 4 | 2 2 | 10 * . x10/2o | 10 | 0 10 | * 2
x x5/2x . . . | 20 | 1 1 1 | 1 1 1 --------+----+----------+------ x . . | 2 | 10 * * | 1 1 0 . x . | 2 | * 10 * | 1 0 1 . . x | 2 | * * 10 | 0 1 1 --------+----+----------+------ x x . | 4 | 2 2 0 | 5 * * x . x | 4 | 2 0 2 | * 5 * . x5/2x | 10 | 0 5 5 | * * 2 snubbed forms: s2s5/2s, s2s5/2s (as mere faceting)
x2β5x both( . . . ) | 20 | 1 1 1 | 1 1 1 --------------+----+----------+------ both( x . . ) | 2 | 10 * * | 1 0 1 both( . . x ) | 2 | * 10 * | 1 1 0 sefa( . β5x ) | 2 | * * 10 | 0 1 1 --------------+----+----------+------ both( x . x ) | 4 | 2 2 0 | 5 * * . β5x ♦ 10 | 0 5 5 | * 2 * sefa( x2β5x ) | 4 | 2 0 2 | * * 5 starting figure: x x5x
β2β5x both( . . . ) | 20 | 1 1 1 | 1 2 --------------+----+----------+----- both( . . x ) | 2 | 10 * * | 1 1 both( s2s . ) | 2 | * 10 * | 0 2 sefa( . β5x ) | 2 | * * 10 | 1 1 --------------+----+----------+----- . β5x ♦ 10 | 5 0 5 | 2 * sefa( β2β5x ) | 4 | 1 2 1 | * 10 starting figure: x x5x
xx10/2oo&#x → height = 1
({10/2} || {10/2})
o.10/2o. | 10 * | 2 1 0 | 1 2 0
.o10/2.o | * 10 | 0 1 2 | 0 2 1
------------+-------+----------+-------
x. .. | 2 0 | 10 * * | 1 1 0
oo10/2oo&#x | 1 1 | * 10 * | 0 2 0
.x .. | 0 2 | * * 10 | 0 1 1
------------+-------+----------+-------
x.10/2o. | 10 0 | 10 0 0 | 1 * *
xx ..&#x | 2 2 | 1 2 1 | * 10 *
.x10/2.o | 0 10 | 0 0 10 | * * 1
xx5/2xx&#x → height = 1
({10/2} || {10/2})
o.5/2o. | 10 * | 1 1 1 0 0 | 1 1 1 0
.o5/2.o | * 10 | 0 0 1 1 1 | 0 1 1 1
-----------+-------+------------+--------
x. .. | 2 0 | 5 * * * * | 1 1 0 0
.. x. | 2 0 | * 5 * * * | 1 0 1 0
oo5/2oo&#x | 1 1 | * * 10 * * | 0 1 1 0
.x .. | 0 2 | * * * 5 * | 0 1 0 1
.. .x | 0 2 | * * * * 5 | 0 0 1 1
-----------+-------+------------+--------
x.5/2x. | 10 0 | 5 5 0 0 0 | 1 * * *
xx ..&#x | 2 2 | 1 0 2 1 0 | * 5 * *
.. xx&#x | 2 2 | 0 1 2 0 1 | * * 5 *
.x5/2.x | 0 10 | 0 0 0 5 5 | * * * 1
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