Polyhedron Model by Martin Berman, Pentagonal Rotunda

Polyhedron Model by Martin Berman, Pentagonal Rotunda

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This model has a regular pentagon on the top, and a regular decagon on the bottom. There are ten equilateral triangles and five regular pentagons around the sides. Hence the faces are ten equilateral triangles, six regular pentagons, and one regular decagon.
On Berman's models of regular-faced convex polyhedra, see 1978.1065.01.
Currently not on view
Object Name
geometric model
date made
Berman, Martin
place made
United States: Pennsylvania, Pittsburgh
Physical Description
paper (overall material)
overall: 7.4 cm x 16.1 cm x 17.2 cm; 2 29/32 in x 6 11/32 in x 6 25/32 in
ID Number
accession number
catalog number
Credit Line
Gift of Martin Berman
Regular-Faced Convex Polyhedra
See more items in
Medicine and Science: Mathematics
Berman Models
Science & Mathematics
Data Source
National Museum of American History

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