File:Ptolemy sine proof.svg
Original file (SVG file, nominally 460 × 460 pixels, file size: 2 KB)
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Summary
[edit]| Description | France
Geometric representation for the Ptolemy's theorem: if a quadrilateral is inscribed in a circle then the sum of the products of its two pairs of opposite sides is equal to the product of its diagonals. Proof using the Law of Sines. |
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| Source |
self-made, vectorized version. |
| Date |
30 March 2008 |
| Author | |
| Permission (Reusing this file) |
See below. |
| Other versions | Image:Ptolemy sine proof.jpg |
Licensing
[edit] | Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. |
   | This work is licensed under the Creative Commons Attribution-ShareAlike 3.0 License. This licensing tag was added to this file as part of the GFDL licensing update. |
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:05, 30 March 2008 | | 460 × 460 (2 KB) | Verdy p (talk | contribs) | "font-size:0.8em" does not work either in MediaWiki's SVG renderer, use absolute sizes (and relative dy offsets for tspan) in pixels. |
| 23:02, 30 March 2008 |  | 460 × 460 (2 KB) | Verdy p (talk | contribs) | fix for "font-size:80%" bug in Mediawiki's SVG renderer (it should be "0.8em", relative to current font-size, but not to document size!) | |
| 22:57, 30 March 2008 |  | 460 × 460 (2 KB) | Verdy p (talk | contribs) | compacted manually | |
| 21:27, 30 March 2008 |  | 460 × 460 (21 KB) | Verdy p (talk | contribs) | == Summary == {{Information |Description=Geometric representation for the Ptomely's theorem: the product of the two diagonal lengths equals the product of each pair of opposed sides. |Source=self-made |Date=30 March 2008 |Location=France |Author=[[Use |
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