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Mathematical Model – Non-regular Decagon

Coxeter · Mathematics

A very elaborate and colourful paper model.

Accession Number: 2016.mat.4

Alternative Name:

Primary Materials: Cardboard

Markings:

Dimensions (cm):

Function: Sculpture, Pedagogical

Condition: Excellent

Associated Instruments:

Manufacturer: Unknown

Date of Manufacture: Unknown

Provenance:

These models existed at the Dept. of Mathematics during the tenure of Dr. H.S.M. Coxeter, who provided the comments below.

Additional Information and References:

“Ten faces, not turned of twelve but twenty-four, because each star-pentagon has another one crossing it, but not in the symmetrical fashion. They’re at a peculiar angle to each other and the corners of the pairs of pentagrams do not form a regular decagon.” H.S.M. Coxeter. Dec. 23, 1999

Historical Notes:

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