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Pentagonal orthobirotunda
In
geometry
, the
pentagonal
orthobirotunda
is one of the
Johnson solids
. It can be constructed by
joining
two pentagonal rotundae along their
decagonal
faces
,
matching
like faces.
Related
polyhedra
The pentagonal orthobirotunda is also related to an
Archimedean solid
, the
icosidodecahedron
, which can also be called a
pentagonal
gyrobirotunda
, similarly created by two
pentagonal rotunda
but with a 36-degree
rotation
.