File:Thm porte.png
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Summary[edit]
| Description |
English: Theorem of the door: a right is orthogonal on a plan if and only if it is orthogonal in two secant rights distinct from this plan.
Français : Théorème de la porte : une droite est orthogonale à un plan si et seulement si elle est orthogonale à deux droites sécantes distinctes de ce plan.
Truc du menuisier : la droite d, perpendiculaire aux droites d1 et d2 sécantes en O, est perpendiculaire au plan (p). La porte (p1) tourne alors normalement autour de (d). |
| Date | |
| Source | https://tube.geogebra.org/m/607399 |
| Author | Patrice Debart |
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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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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 23:43, 3 March 2016 | | 246 × 300 (7 KB) | Pdebart (talk | contribs) | Avec GeoGebra |
| 20:27, 29 May 2010 |  | 463 × 392 (8 KB) | Pdebart (talk | contribs) | {{Information |Description={{en|1=Theorem of the door: a right is orthogonal on a plan if and only if it is orthogonal in two secant rights distinct from this plan.}} {{fr|1=Théorème de la porte : une droite est orthogonale à un plan si et seulement si |
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