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Podaljšana kvadratna kupola

Podaljšana kvadratna kupola
Vrsta Johnsonovo telo
J18-J19-J20
Stranske ploskve 4 trikotnika
3.4+1 kvadratov
1 osemkotnik
Oglišča 20
Robovi 36
Konfiguracija oglišča 8(42.8)
4+8(3.43)
Grupa simetrije C4v
Dualni polieder -
Lastnosti konveksna

mreža telesa

Podaljšana kvadratna kupola je eno izmed Johnsonovih teles (J19). Kot že ime nakazuje, jo dobimo s podaljševanjem kvadratne kupole (J4) tako, da dodamo osemstrano prizmo na njeno osnovno ploskev.

Prostornina in površina

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Naslednja izraza za prostornino (V) in površino (P) ter polmer očrtane krožnice (C) so uporabni za vse vrste stranskih ploskev, ki so pravilne in imajo dolžino roba a [1]

Dualni polieder

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Dualno telo podaljšane kvadratne kupole ima 20 stranskih ploskev: 8 enakokrakih trikotnikov, 4 deltoidi in 8 štirikotnikov.

Dualno telo podaljšane kvadratne kupole Mreža dualnega telesa

Opombe in sklici

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  1. Stephen Wolfram, "Elongated square cupola" from Wolfram Alpha. Retrieved July 22, 2010.

Zunanje povezave

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Podaljšana kvadratna kupola
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