File:Вписанный правильный икосаэдр и четыре плоскости.gif
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Вписанный_правильный_икосаэдр_и_четыре_плоскости.gif (400 × 400 pixels, file size: 957 KB, MIME type: image/gif, looped, 30 frames, 6.0 s)
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| Description |
Русский: Правильный икосаэдр (зелёные линии), вращающийся в его описанной сфере. Показаны четыре круга сферы, соответствующие четырём параллельным плоскостям, в которых лежит по три вершины икосаэдра, образующие четыре правильных треугольника. Этот факт доказан Паппом Александрийским. Нарисовано в Maple.
English: Regular icosahedron (in green) rotating inside its circumscribed sphere. Also shown are four circles of the sphere, corresponding to four parallel planes in which lie vertices of the icosahedron, forming four equilateral triangles. This fact was proved by Pappus of Alexandria. The animation was created in Maple. |
| Date | |
| Source | Own work |
| Author | Illustr |
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I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
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- to share – to copy, distribute and transmit the work
- to remix – to adapt the work
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- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:28, 18 April 2017 | | 400 × 400 (957 KB) | Illustr (talk | contribs) | increasing thickness, making background with transparency=0.7 |
| 16:35, 17 April 2017 |  | 400 × 400 (738 KB) | Illustr (talk | contribs) | User created page with UploadWizard |
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