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      <title>Le fameux théorème de Pythagore by Pierre-Yves MEYER</title>
      <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore</link>
      <description></description>
      <language>en-us</language>
      <pubDate>2017-09-29 14:30:12 UTC</pubDate>
      <lastBuildDate>2026-03-18 14:05:09 UTC</lastBuildDate>
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      <item>
         <title>L&#39;égalité</title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192477654</link>
         <description><![CDATA[]]></description>
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         <pubDate>2017-09-29 14:39:05 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192477654</guid>
      </item>
      <item>
         <title>Monsieur Pythagore</title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192503680</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://www.youtube.com/watch?v=FcQQ1nX5cFg" />
         <pubDate>2017-09-29 15:33:38 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192503680</guid>
      </item>
      <item>
         <title>Le Dico</title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192534520</link>
         <description><![CDATA[]]></description>
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         <pubDate>2017-09-29 16:42:18 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192534520</guid>
      </item>
      <item>
         <title>Reconnaître l&#39;hypothénuse et l&#39;angle droit</title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192535865</link>
         <description><![CDATA[]]></description>
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         <pubDate>2017-09-29 16:45:31 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192535865</guid>
      </item>
      <item>
         <title>Le mystère de l&#39;hypoténuse perdue</title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192593164</link>
         <description><![CDATA[<div>On cherche la longueur de l'<strong><em>hypoténuse</em></strong> ! On connait les longueurs des côtés de l'angle droit et on sait que le <strong>triangle est rectangle</strong>...</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-09-29 19:09:40 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192593164</guid>
      </item>
      <item>
         <title>Avec un schéma c&#39;est plus clair</title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192594812</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2017-09-29 19:15:33 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192594812</guid>
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      <item>
         <title></title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192597652</link>
         <description><![CDATA[]]></description>
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         <pubDate>2017-09-29 19:25:37 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192597652</guid>
      </item>
      <item>
         <title></title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192599157</link>
         <description><![CDATA[<div>On écrit l'égalité de Pythagore</div><div>On remplace par les longueurs qu'on connait</div><div>On calcule en respectant les priorités des opérations</div><div><br></div><div>On applique la racine carrée</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-09-29 19:31:45 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192599157</guid>
      </item>
      <item>
         <title>On peut calculer</title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192599560</link>
         <description><![CDATA[<div>ER<sup>2</sup> = EM<sup>2</sup> + MR<sup>2<br></sup>ER<sup>2</sup> = 6<sup>2</sup> + 4<sup>2<br></sup>ER<sup>2</sup> = 6x6 + 4x4<br>ER<sup>2</sup> = 36 + 16<br>ER<sup>2</sup> = 52<br>ER = V52       ≈ 7,21</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-09-29 19:33:31 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192599560</guid>
      </item>
      <item>
         <title>-- exemple --</title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192649205</link>
         <description><![CDATA[<div>Le triangle MER est rectangle en M, on connait MR = 4 cm et ME = 6 cm, on cherche ER (l'hypoténuse)</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-09-30 08:23:25 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192649205</guid>
      </item>
      <item>
         <title></title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192663626</link>
         <description><![CDATA[]]></description>
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         <pubDate>2017-09-30 10:56:24 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192663626</guid>
      </item>
      <item>
         <title>On peut conclure</title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192663889</link>
         <description><![CDATA[<div>ER mesure environ 7,21 cm</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-09-30 11:01:31 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192663889</guid>
      </item>
      <item>
         <title>Où est la racine carrée sur la calculatrice ?</title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192668951</link>
         <description><![CDATA[<div><br>Pour calculer la racine carrée de 52, on tape <strong><em>seconde</em></strong> (ou <em>shift</em>) puis <strong><em>x</em></strong><strong><em><sup>2</sup></em></strong> puis <strong><em>52</em></strong>.<br>Si la calculatrice affiche le résultat avec une racine ou une fraction, on peut taper la touche<strong> </strong><strong><em>S&lt;=&gt;D </em></strong>pour afficher le résultat en nombre décimal (<strong><em>7,2111...</em></strong>).<br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2017-09-30 12:34:05 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192668951</guid>
      </item>
      <item>
         <title>Son histoire</title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192681261</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://www.youtube.com/watch?v=LJOSl4jt2jk" />
         <pubDate>2017-09-30 14:58:58 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192681261</guid>
      </item>
      <item>
         <title>La preuve !</title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192681391</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://www.youtube.com/watch?v=yMp2PYBSGHk" />
         <pubDate>2017-09-30 15:00:30 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192681391</guid>
      </item>
      <item>
         <title>Le côté retrouvé...</title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192729120</link>
         <description><![CDATA[<div>On connait la longueur de 2 côtés du triangle, il manque la longueur d'<strong><em>un côté de l'angle droit</em></strong>.<br>On sait que le <strong>triangle est rectangle</strong>...</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-10-01 06:42:17 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192729120</guid>
      </item>
      <item>
         <title>-- exemple --</title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192729355</link>
         <description><![CDATA[<div>Le triangle SOL est rectangle en L, on connait LS = 5 cm et OS = 7 cm, on cherche OL (le côté de l'angle droit)</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-10-01 06:48:28 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192729355</guid>
      </item>
      <item>
         <title>Avec un schéma c&#39;est plus clair</title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192729508</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2017-10-01 06:51:03 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192729508</guid>
      </item>
      <item>
         <title>On peut calculer</title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192729548</link>
         <description><![CDATA[<div>OS<sup>2</sup> = OL<sup>2</sup> + LS<sup>2<br></sup>8<sup>2</sup> = OL<sup>2</sup> + 5<sup>2<br></sup>8x8 = OL<sup>2</sup> + 5x5<br>64 = OL<sup>2</sup> + 25<br>OL<sup>2</sup> = 64 - 25<br>OL<sup>2</sup> = 39<br>OL =.V39       ≈ 6,24</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-10-01 06:52:13 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192729548</guid>
      </item>
      <item>
         <title></title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192729563</link>
         <description><![CDATA[<div>On écrit l'égalité de Pythagore<br>On remplace par les longueurs qu'on connait<br>On calcule en respectant les priorités des opérations<br><br><br>On applique la racine carrée</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-10-01 06:52:40 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192729563</guid>
      </item>
      <item>
         <title></title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192730250</link>
         <description><![CDATA[]]></description>
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         <pubDate>2017-10-01 07:05:51 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192730250</guid>
      </item>
      <item>
         <title></title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192730841</link>
         <description><![CDATA[]]></description>
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         <pubDate>2017-10-01 07:14:39 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192730841</guid>
      </item>
      <item>
         <title>On peut conclure</title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192730971</link>
         <description><![CDATA[<div>OL mesure environ 6,24 cm</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-10-01 07:16:03 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192730971</guid>
      </item>
      <item>
         <title></title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192733466</link>
         <description><![CDATA[]]></description>
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         <pubDate>2017-10-01 08:00:32 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192733466</guid>
      </item>
      <item>
         <title></title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192746353</link>
         <description><![CDATA[]]></description>
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         <pubDate>2017-10-01 11:01:38 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/192746353</guid>
      </item>
      <item>
         <title>L&#39;énoncé</title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/193209297</link>
         <description><![CDATA[<div>Le carré de l'hypoténuse <br>               est égale à <br>                            la somme des carrés des deux autres côtés.</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-10-02 20:42:30 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/193209297</guid>
      </item>
      <item>
         <title>L&#39;angle est-il droit ?</title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/193722383</link>
         <description><![CDATA[<div>On connait les longueurs des trois côtés du triangle.<br>On veut savoir si le triangle est rectangle ou pad</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-10-04 06:49:03 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/193722383</guid>
      </item>
      <item>
         <title>Comment savoir ?</title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/193723236</link>
         <description><![CDATA[<div>Il faut tester si l'égalité de Pythagore est bien vérifiée pour ce triangle</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-10-04 06:52:56 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/193723236</guid>
      </item>
      <item>
         <title>Quel est le plus grand côté</title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/193723851</link>
         <description><![CDATA[<div>On calcule le carré du plus grand côté</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-10-04 06:55:49 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/193723851</guid>
      </item>
      <item>
         <title>Quels sont les 2 plus petits côtés ?</title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/193778246</link>
         <description><![CDATA[<div>On calcule la somme des carrés des côtés</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-10-04 10:23:59 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/193778246</guid>
      </item>
      <item>
         <title>Y-a t&#39;il égalité ?</title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/193778657</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2017-10-04 10:25:25 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/193778657</guid>
      </item>
      <item>
         <title>Il y a égalité</title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/193779034</link>
         <description><![CDATA[<div>le triangle est rectangle</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-10-04 10:26:56 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/193779034</guid>
      </item>
      <item>
         <title>Il n&#39;y a pas égalité</title>
         <author>pymeyer1</author>
         <link>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/193779249</link>
         <description><![CDATA[<div>Le triangle n'est pas rectangle</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-10-04 10:27:39 UTC</pubDate>
         <guid>https://padlet.com/pymeyer1/Rosset_Maths_Pythagore/wish/193779249</guid>
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