# Objectif 9 - Homothétie (Transformations) <div class="row"> <div class="col-md-6"> :::success ### Télécharger les documents 📎 [Fiche de cours](https://nuage03.apps.education.fr/index.php/s/5S5sj8P3osrWs4t) :books: [Devoirs maison : Automatismes](https://coopmaths.fr/alea/?uuid=1ebf7&id=3G11-1&uuid=d5f34&id=3G10-2&uuid=6f383&id=3G13&n=3&d=10&s=1-2-3-9&s2=3&s3=1&s4=true&cd=1&v=confeleve&v=eleve&title=&es=021100) ::: *** :::info https://www.geogebra.org/m/j33Wjeqs <iframe scrolling="no" title="Homothétie" src="https://www.geogebra.org/material/iframe/id/rBTpX6m9/width/1010/height/556/border/888888/sfsb/true/smb/false/stb/false/stbh/false/ai/false/asb/false/sri/false/rc/false/ld/false/sdz/false/ctl/false" width="100%" height="200px" style="border:0px;"> </iframe> ::: </div> <div class="col-md-6"> ::: danger ### Vidéos #### Trouver le centre est le rapport d'une homothétie <p style="font-style:normal;font-weight:400;letter-spacing:normal;text-align:start;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;color:rgb(0, 0, 0);"><iframe allowfullscreen="" frameborder="0" height="200" src="https://www.youtube.com/embed/GnbYoB_8Sho?wmode=transparent" width="100%"></iframe></p> #### Construire l'image d'un point par une homothétie (1) <p style="font-style:normal;font-weight:400;letter-spacing:normal;text-align:start;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;color:rgb(0, 0, 0);"><iframe allowfullscreen="" frameborder="0" height="200" src="https://www.youtube.com/embed/mS8Z8KMNOBY?wmode=transparent" width="100%"></iframe></p> #### Construire l'image d'un point par une homothétie (2) <p style="font-style:normal;font-weight:400;letter-spacing:normal;text-align:start;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;color:rgb(0, 0, 0);"><iframe allowfullscreen="" frameborder="0" height="200" src="https://www.youtube.com/embed/a4cFP-Miyu4?wmode=transparent" width="100%"></iframe></p> ::: </div></div> :::warning ### S'exercer <p><iframe allowfullscreen="true" mozallowfullscreen="true" src="https://learningapps.org/watch?v=pe86v8ysn22" style="border:0px;width:100%;height:800px;" webkitallowfullscreen="true"></iframe></p> :::
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