File:Viviani theorem visual proof.svg
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Summary
| Description |
English: Visual proof of Viviani's theorem drawn by CMG Lee.
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| Source | Own work |
| Author | Cmglee |
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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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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 05:26, 24 March 2023 | | 512 × 512 (4 KB) | Cmglee | Work around nested-''use'' rsvg bug |
| 00:29, 30 June 2019 |  | 512 × 512 (4 KB) | Cmglee | {{Information |description ={{en|1=Visual proof of Viviani's theorem drawn by CMG Lee. 1. Nearest distances from point P to sides of equilateral triangle ABC are shown. 2. Lines DE, FG, and HI parallel to AB, BC and CA, respectively, define smaller triangles PHE, PFI and PDG. 3. As these triangles are equilateral, their altitudes can be rotated to be vertical. 4. As PGCH is a parallelogram, triangle PHE can be slid up to show that the altitudes sum to that of triangle ABC.}} |date... |
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