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   <channel>
      <title>La Geometria by Alessandro Zeni</title>
      <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn</link>
      <description>Euclidea e non</description>
      <language>en-us</language>
      <pubDate>2017-12-06 13:22:04 UTC</pubDate>
      <lastBuildDate>2023-10-10 08:03:08 UTC</lastBuildDate>
      <webMaster>hello@padlet.com</webMaster>
      <image>
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      <item>
         <title>LA GEOMETRIA</title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213677622</link>
         <description><![CDATA[<div> Settore della matematica che studia la forma e la misura degli oggetti .</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-06 13:24:43 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213677622</guid>
      </item>
      <item>
         <title>NON EUCLIDEA</title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213678762</link>
         <description><![CDATA[<div>Una geometria non euclidea è una geometria costruita negando o non accettando alcuni <a href="https://it.wikipedia.org/wiki/Geometria_euclidea">p</a>ostulati euclidei </div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-06 13:28:02 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213678762</guid>
      </item>
      <item>
         <title>EUCLIDE</title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213683295</link>
         <description><![CDATA[<div>Matematico di origine alessandrina, vissuto probabilmente durante il periodo TOLEMAICO</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-06 13:38:29 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213683295</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213683790</link>
         <description><![CDATA[<div>scrive 13 libri e 5 <strong><em><mark>postulati</mark></em></strong></div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-06 13:39:46 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213683790</guid>
      </item>
      <item>
         <title>POSTULATO:</title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213684245</link>
         <description><![CDATA[<div>Principio indimostrato la cui validità si ammette a priori per evidenza o convenzione allo scopo di fornire la spiegazione di determinati fatti o di costruire una teoria.</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-06 13:40:58 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213684245</guid>
      </item>
      <item>
         <title>può essere</title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213685819</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2017-12-06 13:44:53 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213685819</guid>
      </item>
      <item>
         <title>EUCLIDEA</title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213687155</link>
         <description><![CDATA[<div>Accetta il postulato euclideo per cui da un punto si può tracciare una sola parallela a una retta data</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-06 13:47:45 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213687155</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213687866</link>
         <description><![CDATA[<ol><li>Tra due punti qualsiasi è possibile tracciare una ed una sola retta;</li><li>Si può prolungare un segmento oltre i due punti indefinitamente;</li><li>Dato un punto e una lunghezza, è possibile descrivere un cerchio;</li><li>Tutti gli angoli retti sono congruenti tra loro;</li><li>Se una retta che taglia altre due rette determina dallo stesso lato angoli interni minori di due angoli retti, prolungando le due rette, esse si incontreranno dalla parte dove i due angoli sono minori di due rette.</li></ol>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-06 13:49:20 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213687866</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213695231</link>
         <description><![CDATA[<div>tra il 1800 e il 1900 diversi matematici creano modelli di geometrie non euclidee</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-06 14:04:54 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213695231</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213699546</link>
         <description><![CDATA[<div>principalmente viene negato il quinto postulato.</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-06 14:11:35 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213699546</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213700449</link>
         <description><![CDATA[<div>se della proposizione (quinto postulato) viene negata la prima parte(ovvero si nega l' esistenza della retta parallela), la geometria è definita <em><mark>ELLITTICA</mark></em><em> ,&nbsp; se in</em>vece viene<em> ne</em>gata la seconda parte (la retta non è unica), allora la geometria è definita&nbsp; <strong><mark>IPERBOLICA</mark></strong></div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-06 14:13:13 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213700449</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213714065</link>
         <description><![CDATA[<div>data quindi questa definizione potremmo dire che le principali geometrie non euclidee sono:</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-06 14:35:56 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213714065</guid>
      </item>
      <item>
         <title>ELLITTICA</title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213715215</link>
         <description><![CDATA[<div>La geometria ellittica o di Riemann è una <a href="https://it.wikipedia.org/wiki/Geometria_non_euclidea">geometria non euclidea</a> ideata dal matematico <a href="https://it.wikipedia.org/wiki/Bernhard_Riemann">Bernhard Riemann</a></div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-06 14:37:50 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213715215</guid>
      </item>
      <item>
         <title>IPERBOLICA</title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213715265</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2017-12-06 14:37:55 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213715265</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213768721</link>
         <description><![CDATA[<div>geometria costruita su una sfera</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-06 16:10:10 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/213768721</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214036169</link>
         <description><![CDATA[<div>punto di vista:</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-07 10:19:11 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214036169</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214036409</link>
         <description><![CDATA[<div>INTRINSECO:  interno, nel caso di un pianeta, coloro che lo abitano godono del punto di vista intrinseco<br><br>ESTRINSECO: esterno, coloro che vedono il pianeta dall' esterno</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-07 10:20:02 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214036409</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214037977</link>
         <description><![CDATA[<div>punto di vista estrinseco</div>]]></description>
         <enclosure url="https://dennytorres.files.wordpress.com/2012/02/6281170316_5594a3ea4c_o.jpg" />
         <pubDate>2017-12-07 10:25:19 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214037977</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214038711</link>
         <description><![CDATA[<div>punto di vista intrinseco</div>]]></description>
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         <pubDate>2017-12-07 10:27:49 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214038711</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214039543</link>
         <description><![CDATA[<div>Euclide</div>]]></description>
         <enclosure url="http://www.thefamouspeople.com/profiles/images/euclid-2.jpg" />
         <pubDate>2017-12-07 10:30:51 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214039543</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214041169</link>
         <description><![CDATA[<div>cambiano anche le definizioni degli elementi base della geometria</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-07 10:36:00 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214041169</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214043777</link>
         <description><![CDATA[<div>RETTA: percorso minimo tra due punti di una circonferenza<br>GEODETICA:  percorso più breve.</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-07 10:45:10 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214043777</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214045118</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://federicacerizza.files.wordpress.com/2013/11/sfera00.gif" />
         <pubDate>2017-12-07 10:50:37 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214045118</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214045329</link>
         <description><![CDATA[<div>Due punti opposti su una sfera si chiamano ANTIPODALI (PeQ sono antipodali.)</div><div><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-07 10:51:18 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214045329</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214047422</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padletuploads.blob.core.windows.net/prod/190603109/e16c6791b87fcad485fafbf0c57e0e1e/circ_massima.gif" />
         <pubDate>2017-12-07 10:59:25 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214047422</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214047608</link>
         <description><![CDATA[<div>con circonferenza massima si intende l' intersezione di un piano con la sfera passante per il centro della sfera. La retta S è in questo caso anche definibile come EQUATORE. </div><div><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-07 11:00:19 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214047608</guid>
      </item>
      <item>
         <title>EQUATORE</title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214048180</link>
         <description><![CDATA[<div>PUNTO DI VISTA INTRINSECO: <strong><em>retta</em></strong><br><br>PUNTO DI VISTA ESTRINSECO: <strong><em>circonferenza</em></strong><br><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-07 11:02:36 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214048180</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214050225</link>
         <description><![CDATA[<div>Ogni lato della figura deve essere parte della circonferenza massima</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-07 11:10:37 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214050225</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214051422</link>
         <description><![CDATA[<div>Modificando il quinto postulato vengo modificati anche gli altri </div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-07 11:15:02 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214051422</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214051760</link>
         <description><![CDATA[<ol><li>Per due punti passa una sola retta (circonferenza massima), a patto che non sia antipodale.</li><li>Non si può prolungare infinitamente un segmento ai suoi estremi</li><li>Dato un punto e una lunghezza è possibile costruire una circonferenza di raggio qualsiasi (il terzo postulato di Euclide rimane invariato).</li><li>Dato un punto non è possibile costruire una circonferenza di qualsiasi raggio.</li></ol><div><br></div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-07 11:16:09 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214051760</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214067286</link>
         <description><![CDATA[]]></description>
         <enclosure url="https://padletuploads.blob.core.windows.net/prod/190603109/e8788ed07b9ebdd186cafd8104c77408/biografia_di_Riemann.docx" />
         <pubDate>2017-12-07 12:18:22 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214067286</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214420234</link>
         <description><![CDATA[<div>in un disco del genere come sono le rette??</div>]]></description>
         <enclosure url="http://areeweb.polito.it/didattica/polymath/htmlS/argoment/APPUNTI/TESTI/Set_04/img/image160.png" />
         <pubDate>2017-12-08 09:28:37 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214420234</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214420614</link>
         <description><![CDATA[<div>circonferenza ortogonale</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-08 09:30:08 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214420614</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214420891</link>
         <description><![CDATA[<div>rette</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-08 09:31:22 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214420891</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214421565</link>
         <description><![CDATA[<div>A partire dai risultati di Riemann, <a href="https://it.wikipedia.org/wiki/Eugenio_Beltrami">Eugenio Beltrami</a> dimostra la consistenza della nuova geometria e costruisce un modello in carta di una superficie a curvatura costante negativa, la <a href="https://it.wikipedia.org/wiki/Pseudosfera">pseudosfera</a> iperbolica</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-08 09:34:27 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214421565</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214422170</link>
         <description><![CDATA[<div>In geometria, superficie avente curvatura gaussiana costante e negativa, ottenuta facendo ruotare una trattrice intorno al suo asintoto</div>]]></description>
         <enclosure url="https://i1.wp.com/xahlee.info/surface/pseudosphere/pseudosphere.png" />
         <pubDate>2017-12-08 09:37:05 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214422170</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214423018</link>
         <description><![CDATA[<div>TRATTRICE:è una particolare curva geometrica, in cui i segmenti tangenti tra una curva e una data retta risultano di uguale misura</div>]]></description>
         <enclosure url="https://tse3.mm.bing.net/th?id=OIP.8tnQh6T7BFuAiqaPs77P2AEsBw&amp;pid=15.1&amp;P=0&amp;w=317&amp;h=120" />
         <pubDate>2017-12-08 09:40:29 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214423018</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214424335</link>
         <description><![CDATA[<div>Il termine asintoto è utilizzato in <a href="https://it.wikipedia.org/wiki/Matematica">matematica</a> per designare una retta, o più generalmente una curva, alla quale si avvicina indefinitamente una funzione data</div>]]></description>
         <enclosure url="https://upload.wikimedia.org/wikipedia/commons/thumb/c/c4/1-over-x-plus-x.svg/429px-1-over-x-plus-x.svg.png" />
         <pubDate>2017-12-08 09:45:31 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214424335</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214429312</link>
         <description><![CDATA[<div>Se esiste una regola che dice che un essere vivente e tutto ciò che lo circonda diventa sempre più piccolo espandendosi dal centreo del disco fino alla periferia. dal punto di vista intrinseco l' essere ha bisogno di tempo infinito per raggiungere il bordo</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-08 10:06:22 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214429312</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214430427</link>
         <description><![CDATA[<div>disco poincarè</div>]]></description>
         <enclosure url="https://padletuploads.blob.core.windows.net/prod/190603109/b8d87223b419e7a97074c0a49db73923/Uniform_tiling_73_t2.png" />
         <pubDate>2017-12-08 10:11:46 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214430427</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214431073</link>
         <description><![CDATA[<div>disco poincarè</div>]]></description>
         <enclosure url="https://c1.staticflickr.com/3/2798/4092745550_cf49d82b71_b.jpg" />
         <pubDate>2017-12-08 10:15:11 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214431073</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214431354</link>
         <description><![CDATA[<div>in un piccolo spazio viene creato l' infinito</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-08 10:16:30 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214431354</guid>
      </item>
      <item>
         <title>LEGGE MATEMATICA</title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214432248</link>
         <description><![CDATA[<div>L= 1- <strong><em>r</em></strong><strong><em><sup>2  </sup></em></strong><strong><em>/R</em></strong><strong><em><sup>2<br><br></sup></em></strong><strong><em>r= distanza dal centro dell' oggetto<br>R= raggio circonferenza<br><br>Allora </em></strong>L= 1- <strong><em>r</em></strong><strong><em><sup>2  </sup></em></strong><strong><em>/R</em></strong><strong><em><sup>2</sup></em></strong><strong><em> = </em></strong><strong><em><mark>0</mark></em></strong></div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-08 10:20:56 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214432248</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214441339</link>
         <description><![CDATA[<div>infinito</div>]]></description>
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         <pubDate>2017-12-08 11:05:50 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214441339</guid>
      </item>
      <item>
         <title>Molto bene</title>
         <author>lucatancredi</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214742140</link>
         <description><![CDATA[]]></description>
         <enclosure url="" />
         <pubDate>2017-12-09 20:15:57 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/214742140</guid>
      </item>
      <item>
         <title></title>
         <author>alexzeni19</author>
         <link>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/215128746</link>
         <description><![CDATA[<div>In <a href="https://it.wikipedia.org/wiki/Geometria_differenziale">geometria differenziale</a>, la curvatura gaussiana è una misura della <a href="https://it.wikipedia.org/wiki/Curvatura">curvatura</a> di una <a href="https://it.wikipedia.org/wiki/Superficie_(matematica)">superficie</a> in un punto.</div>]]></description>
         <enclosure url="" />
         <pubDate>2017-12-11 17:35:35 UTC</pubDate>
         <guid>https://padlet.com/alexzeni19/w2h2sqjcsrmn/wish/215128746</guid>
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