{"id":641,"date":"2015-10-28T17:00:16","date_gmt":"2015-10-28T16:00:16","guid":{"rendered":"http:\/\/xmau.com\/wp\/ilpost\/?p=641"},"modified":"2022-10-11T13:45:43","modified_gmt":"2022-10-11T11:45:43","slug":"cerchi-nel-cerchio-pillole","status":"publish","type":"post","link":"https:\/\/xmau.com\/ilpost\/2015\/10\/28\/cerchi-nel-cerchio-pillole\/","title":{"rendered":"Cerchi nel cerchio [Pillole]"},"content":{"rendered":"<p>Questa figura (tratta da <a href=\"http:\/\/math.stackexchange.com\/q\/1491754\/89\">Math StackExchange<\/a> e creata dall&#8217;utente Oleg567) mostra come \u00e8 possibile inserire all&#8217;interno di un cerchio di raggio 1 tutti i cerchi di raggio 1\/2, 1\/3, &#8230;, 1\/<i>n<\/i>, &#8230; <\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"642\" data-permalink=\"https:\/\/xmau.com\/ilpost\/2015\/10\/28\/cerchi-nel-cerchio-pillole\/cerchi1\/\" data-orig-file=\"https:\/\/i0.wp.com\/xmau.com\/ilpost\/wp-content\/uploads\/sites\/5\/2015\/10\/cerchi1.png?fit=504%2C504&amp;ssl=1\" data-orig-size=\"504,504\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"cerchi1\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/xmau.com\/ilpost\/wp-content\/uploads\/sites\/5\/2015\/10\/cerchi1.png?fit=504%2C504&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/xmau.com\/wp\/ilpost\/wp-content\/uploads\/sites\/4\/2015\/10\/cerchi1.png?resize=504%2C504\" alt=\"cerchi1\" width=\"504\" height=\"504\" class=\"aligncenter size-full wp-image-642\" srcset=\"https:\/\/i0.wp.com\/xmau.com\/ilpost\/wp-content\/uploads\/sites\/5\/2015\/10\/cerchi1.png?w=504&amp;ssl=1 504w, https:\/\/i0.wp.com\/xmau.com\/ilpost\/wp-content\/uploads\/sites\/5\/2015\/10\/cerchi1.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/xmau.com\/ilpost\/wp-content\/uploads\/sites\/5\/2015\/10\/cerchi1.png?resize=300%2C300&amp;ssl=1 300w\" sizes=\"auto, (max-width: 504px) 100vw, 504px\" \/><\/p>\n<p>Per i curiosi, i centri dei cerchi si trovano &#8211; con qualche licenza poetica per quelli maggiori &#8211; su una <a href=\"http:\/\/xmau.com\/wp\/ilpost\/wp-content\/uploads\/sites\/4\/2015\/10\/cerchi2.png\">spirale<\/a> di equazione <i>r = 1 &minus; &radic;(<i>e<\/i><sup>&minus;&theta;<\/sup>).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Niente matematica, stavolta: solo un bel disegno<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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Persino in matematica una dimostrazione non \u00e8 sempre corretta.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"https:\/\/xmau.com\/ilpost\/wp-json\/wp\/v2\/posts\/641","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xmau.com\/ilpost\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xmau.com\/ilpost\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xmau.com\/ilpost\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/xmau.com\/ilpost\/wp-json\/wp\/v2\/comments?post=641"}],"version-history":[{"count":4,"href":"https:\/\/xmau.com\/ilpost\/wp-json\/wp\/v2\/posts\/641\/revisions"}],"predecessor-version":[{"id":647,"href":"https:\/\/xmau.com\/ilpost\/wp-json\/wp\/v2\/posts\/641\/revisions\/647"}],"wp:attachment":[{"href":"https:\/\/xmau.com\/ilpost\/wp-json\/wp\/v2\/media?parent=641"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xmau.com\/ilpost\/wp-json\/wp\/v2\/categories?post=641"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xmau.com\/ilpost\/wp-json\/wp\/v2\/tags?post=641"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}