File:Ap 2sphere poles.svg
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| Description | An interediate step in the Gergonne solution of the problem of Apollonius. The three given circles are s1, s2 and s3, whereas b1 and b2 are one pair of solutions. The line r is the radical axis of the two solutions. The tangent lines at points A and B (the tangent points of s2 with the solutions) intersect on the radical axis r. The point P is the pole of the radical axis r in the circle s2. |
| Date | |
| Source | na |
| Author | jtico |
| Permission (Reusing this file) |
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I, the copyright holder of this work, hereby publish it under the following licenses:
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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. A copy of the license is included in the section entitled GNU Free Documentation License. |
  
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This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. | |
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| This licensing tag was added to this file as part of the GFDL licensing update. |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 19:56, 14 December 2006 | | 640 × 400 (17 KB) | Jtico (talk | contribs) | {{Information |Description= The pole of the line through two contact points |Source=na |Date=Dec 14 2006 |Author=jtico |Permission=na |other_versions=na }} Category:geometry |
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