Slika:Ptolemy Pentagon.svg
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Povzetek
| Opis |
English: Application of Ptolemy's theorem to the quadrilateral made by removing a vertex from a regular pentagon yields b/a = phi, the golden ratio. This drawing illustrates it. |
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| Datum | Uploaded by en:User:Dicklyon to en.wikipedia in August 2006 (log). | ||
| Vir | lastno delo by en:User:Dicklyon | ||
| Avtor | en:User:Dicklyon | ||
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| Datum in čas | Sličica | Velikost | Uporabnik | Komentar | |
|---|---|---|---|---|---|
| trenutno | 05:29, 16. februar 2008 | | 526 × 526 (10 KB) | wikimediacommons>Stotr | This is a graphic by en:User:Dicklyon which shows an application of Ptolemy's theorem to the quadrilateral made by removing a vertex from a regular pentagon yields b/a = phi, the golden ratio. He released it into the public domain; see http://en.wiki |
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