File:Descartes' theorem from Soddy circles 2.png
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Summary
| Description |
English: In the case where the 4th circle is internally tangent, Descartes' theorem can be proved by equating the sums of two pairs of triangles |
| Date | |
| Source | Own work, plotted with Desmos https://www.desmos.com/geometry-beta/gd9ihfuo0h |
| Author | Jacob Rus |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:18, 21 July 2023 | | 1,456 × 974 (230 KB) | wikimediacommons>Jacobolus | Uploaded own work with UploadWizard |
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