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Geometrian, biesfenozingulua Johnsonen solidoetako bat da (J90).
Biesfenozingulua | |
---|---|
Taldea | Johnsonen solidoak J89 – J90 – J91 |
Aurpegi kopurua | 20 hiruki 4 karratu |
Ertz kopurua | 38 |
Erpin kopurua | 16 |
Erpin-konfigurazioa | 4(32.42) 4(35) 8(34.4) |
Simetria-taldea | D2d |
Propietateak | Ganbila |
Poliedro duala | - |
Garapena |
Johnsonen solidoak 92 dira; eta Norman Johnson-ek izendatu eta deskribatu zituen, 1966an.
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