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    CURIOSITE GEOMETRIQUES

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    • chriC Offline
      chri
      last edited by

      @chri said:

      REPONSE DE GERARD VILLEMIN ... que je remercie.

      .


      cordes sécantes.png

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      • pilouP Offline
        pilou
        last edited by

        Super ce site : j'y suis déjà passé de nombreuses fois! 😎

        Ce qu'il y a de magique dans ce bidule c'est que quand on n'utilise que les rectangles et ses diagonales générales le cercle n'intervient pas du tout! 💚

        Les segments de droites bleues sont les rayons du cercle cherché! ☀

        Magique.jpg

        Frenchy Pilou
        Is beautiful that please without concept!
        My Little site :)

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        • pilouP Offline
          pilou
          last edited by

          Très balèzes les vidéos de ce site! (VF)

          Frenchy Pilou
          Is beautiful that please without concept!
          My Little site :)

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          • chriC Offline
            chri
            last edited by

            Bonjour

            Trouvez ci-joint une vidéo de CALVIN LIN qui nous explique 3 méthodes pour inscrire un carré dans un triangle.
            Je trouve cela digne de nos glorieux ancêtres que sont PYTHAGORE ou LEONARD.

            Chri


            QUADRATURE DANS UN TRIANGLE.png


            CARRE - CALVIN LIN.skp

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            • pilouP Offline
              pilou
              last edited by

              La construction rouge du triangle de droite est démente! 😮
              Les autres sont évidentes! 😄

              Je l'ai dessiné pour le croire! Marche avec un triangle quelconque! 😲

              triangle_rouge.jpg

              Frenchy Pilou
              Is beautiful that please without concept!
              My Little site :)

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              • pilouP Offline
                pilou
                last edited by

                Pas mal aussi celui-ci! 😄

                Frenchy Pilou
                Is beautiful that please without concept!
                My Little site :)

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                • pilouP Offline
                  pilou
                  last edited by

                  Encore une série de vidéos à explorer! 😎

                  Frenchy Pilou
                  Is beautiful that please without concept!
                  My Little site :)

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                  • chriC Offline
                    chri
                    last edited by

                    Bonjour

                    une astuce a propos des pourcentages.

                    chri

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                    • pilouP Offline
                      pilou
                      last edited by

                      Bon c'est pas géométrique mais cela a un rapport avec le dessin! 💚
                      Une fonction paramétrique qui permet d'approcher n'importe quel dessin! 😮

                      https://images2.imgbox.com/da/c4/C2UZgP8Q_o.png

                      https://images2.imgbox.com/16/f7/2PHoDDoM_o.png

                      Frenchy Pilou
                      Is beautiful that please without concept!
                      My Little site :)

                      1 Reply Last reply Reply Quote 0
                      • pilouP Offline
                        pilou
                        last edited by

                        Frenchy Pilou
                        Is beautiful that please without concept!
                        My Little site :)

                        1 Reply Last reply Reply Quote 0
                        • pilouP Offline
                          pilou
                          last edited by

                          Curiosité 😄

                          https://images2.imgbox.com/ad/77/8uMPobHc_o.jpg

                          Frenchy Pilou
                          Is beautiful that please without concept!
                          My Little site :)

                          1 Reply Last reply Reply Quote 0
                          • pilouP Offline
                            pilou
                            last edited by

                            😮

                            Frenchy Pilou
                            Is beautiful that please without concept!
                            My Little site :)

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                            • pilouP Offline
                              pilou
                              last edited by

                              Incroyable ça! 😮

                              Frenchy Pilou
                              Is beautiful that please without concept!
                              My Little site :)

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                              • chriC Offline
                                chri
                                last edited by

                                quand géométrie et math se croisent ...
                                Cela devient magique

                                merci Pilou

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                                • pilouP Offline
                                  pilou
                                  last edited by

                                  Toujours plus fort! ☀

                                  Frenchy Pilou
                                  Is beautiful that please without concept!
                                  My Little site :)

                                  1 Reply Last reply Reply Quote 0
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