Polyhedron Model by Martin Berman, Elongated Pentagonal Orthocupolarotunda

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Polyhedron Model by Martin Berman, Elongated Pentagonal Orthocupolarotunda
Polyhedron Model by Martin Berman, Elongated Pentagonal Orthocupolarotunda
Polyhedron Model by Martin Berman, Elongated Pentagonal Orthocupolarotunda
Polyhedron Model by Martin Berman, Elongated Pentagonal Orthocupolarotunda

Object Details

maker

Berman, Martin

Description

The faces of this model are seven regular pentagons, fifteen equilateral triangles, and fifteen squares. The top and bottom are pentagons. Five triangles are around the top pentagon. Five pentagons and five triangles are in the ring below this. The next ring has ten squares, and the lowest (adjacent to the bottom pentagon) five triangles.

On Berman's models of regular-faced convex polyhedra, see 1978.1065.01.

Location

Currently not on view

Credit Line

Gift of Martin Berman

date made

1970

ID Number

1978.1065.060

accession number

1978.1065

catalog number

1978.1065.060

Object Name

geometric model

Physical Description

paper (overall material)

Measurements

overall: 16.5 cm x 19 cm x 16.5 cm; 6 1/2 in x 7 15/32 in x 6 1/2 in

place made

United States: Pennsylvania, Pittsburgh

See more items in

Medicine and Science: Mathematics

Berman Models

Science & Mathematics

Data Source

National Museum of American History

Subject

Regular-Faced Convex Polyhedra

Mathematics

Metadata Usage

CC0

Link to Original Record

https://n2t.net/ark:/65665/ng49ca746a5-1421-704b-e053-15f76fa0b4fa

Record ID

nmah_690403