{"id":1199,"date":"2018-01-24T16:49:12","date_gmt":"2018-01-24T15:49:12","guid":{"rendered":"http:\/\/xmau.com\/wp\/ilpost\/?p=1199"},"modified":"2018-01-24T16:49:12","modified_gmt":"2018-01-24T15:49:12","slug":"pythagorea-pillole","status":"publish","type":"post","link":"https:\/\/xmau.com\/ilpost\/2018\/01\/24\/pythagorea-pillole\/","title":{"rendered":"Pythagorea [Pillole]"},"content":{"rendered":"<p><a href=\"https:\/\/i0.wp.com\/xmau.com\/wp\/ilpost\/wp-content\/uploads\/sites\/4\/2018\/01\/pythagorea.png\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"1200\" data-permalink=\"https:\/\/xmau.com\/ilpost\/2018\/01\/24\/pythagorea-pillole\/pythagorea\/\" data-orig-file=\"https:\/\/i0.wp.com\/xmau.com\/ilpost\/wp-content\/uploads\/sites\/5\/2018\/01\/pythagorea.png?fit=269%2C437&amp;ssl=1\" data-orig-size=\"269,437\" 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=\"pythagorea\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/xmau.com\/ilpost\/wp-content\/uploads\/sites\/5\/2018\/01\/pythagorea.png?fit=269%2C437&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/xmau.com\/wp\/ilpost\/wp-content\/uploads\/sites\/4\/2018\/01\/pythagorea-185x300.png?resize=185%2C300\" alt=\"\" width=\"185\" height=\"300\" class=\"alignleft size-medium wp-image-1200\" srcset=\"https:\/\/i0.wp.com\/xmau.com\/ilpost\/wp-content\/uploads\/sites\/5\/2018\/01\/pythagorea.png?resize=185%2C300&amp;ssl=1 185w, https:\/\/i0.wp.com\/xmau.com\/ilpost\/wp-content\/uploads\/sites\/5\/2018\/01\/pythagorea.png?w=269&amp;ssl=1 269w\" sizes=\"auto, (max-width: 185px) 100vw, 185px\" \/><\/a><a href=\"http:\/\/www.layos.net\/wordpress\/\">Layos<\/a> mi segnala una versione &#8220;semplificata&#8221; di <a href=\"https:\/\/www.euclidea.xyz\/\">Euclidea<\/a>, di cui forse avete gi\u00e0 sentito parlare. In Pythagorea (app per <a href=\"https:\/\/play.google.com\/store\/apps\/details?id=com.hil_hk.pythagorea\">Android<\/a> o <a href=\"https:\/\/itunes.apple.com\/us\/app\/pythagorea\/id994864779?mt=8\">Apple<\/a>) bisogna fare costruzioni geometriche&#8230; avendo solo a disposizione un foglio quadrettato di dimensioni 6&#215;6. La fregatura \u00e8 che possiamo usare solo punti che sono intersezioni di rette, quindi all&#8217;inizio solo quelli che formano i quadretti: creando rette adeguate si avranno a disposizione nuovi punti.<\/p>\n<p>Ho provato un po&#8217; a giocarci sul mio smartphone, e arrivato verso la fine del secondo livello ho capito che forse mi sarebbe servito un tablet, perch\u00e9 ho dovuto costruire un punto in mezzo a un mare di altri punti tutti vicini: ma a parte questo problema mi sono divertito parecchio. Certo che un po&#8217; di ricordi di geometria euclidea e geometria analitica servono&#8230;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un&#8217;app per fare geometria pratica.<\/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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"activitypub_content_warning":"","activitypub_content_visibility":"","activitypub_max_image_attachments":4,"activitypub_interaction_policy_quote":"anyone","activitypub_status":"","footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1],"tags":[30,27],"class_list":["post-1199","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-geometria","tag-giochi"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/phh2yP-jl","jetpack-related-posts":[{"id":1435,"url":"https:\/\/xmau.com\/ilpost\/2019\/02\/05\/dunque-la-derivata-seconda-e-positiva-pillole\/","url_meta":{"origin":1199,"position":0},"title":"Dunque la derivata seconda \u00e8 positiva [Pillole]","author":".mau.","date":"05\/02\/2019","format":false,"excerpt":"Si pu\u00f2 sempre trovare qualcosa di positivo, cercando bene!","rel":"","context":"In \"derivate\"","block_context":{"text":"derivate","link":"https:\/\/xmau.com\/ilpost\/tag\/derivate\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":445,"url":"https:\/\/xmau.com\/ilpost\/2011\/09\/13\/prima-di-godel\/","url_meta":{"origin":1199,"position":1},"title":"Prima di G\u00f6del&#8230;","author":".mau.","date":"13\/09\/2011","format":false,"excerpt":"I teoremi di incompletezza di G\u00f6del hanno segnato la fine della sicurezza che i matematici hanno avuto per 2500 anni. Cosa \u00e8 successo prima che arrivasse lui?","rel":"","context":"In \"logica\"","block_context":{"text":"logica","link":"https:\/\/xmau.com\/ilpost\/tag\/logica\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":1524,"url":"https:\/\/xmau.com\/ilpost\/2019\/08\/09\/grandi-idee-della-matematica\/","url_meta":{"origin":1199,"position":2},"title":"Grandi idee della matematica","author":".mau.","date":"09\/08\/2019","format":false,"excerpt":"Una nuova collana di libri di matematica","rel":"","context":"In \"collane\"","block_context":{"text":"collane","link":"https:\/\/xmau.com\/ilpost\/tag\/collane\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/xmau.com\/wp\/ilpost\/wp-content\/uploads\/sites\/4\/2019\/08\/grandiidee-1024x599.png?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/xmau.com\/wp\/ilpost\/wp-content\/uploads\/sites\/4\/2019\/08\/grandiidee-1024x599.png?resize=350%2C200 1x, https:\/\/i0.wp.com\/xmau.com\/wp\/ilpost\/wp-content\/uploads\/sites\/4\/2019\/08\/grandiidee-1024x599.png?resize=525%2C300 1.5x"},"classes":[]},{"id":634,"url":"https:\/\/xmau.com\/ilpost\/2013\/04\/22\/geometria-a-macchinetta\/","url_meta":{"origin":1199,"position":3},"title":"Geometria a macchinetta","author":".mau.","date":"22\/04\/2013","format":false,"excerpt":"Preparare esercizi per i libri di matematica non \u00e8 un lavoro divertente: ma questo non significa che non li si possa fare con un minimo di accortezza.","rel":"","context":"In \"didattica\"","block_context":{"text":"didattica","link":"https:\/\/xmau.com\/ilpost\/tag\/didattica\/"},"img":{"alt_text":"figureimpossibili","src":"https:\/\/i0.wp.com\/xmau.com\/wp\/ilpost\/wp-content\/uploads\/sites\/4\/2015\/10\/figureimpossibili.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/xmau.com\/wp\/ilpost\/wp-content\/uploads\/sites\/4\/2015\/10\/figureimpossibili.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/xmau.com\/wp\/ilpost\/wp-content\/uploads\/sites\/4\/2015\/10\/figureimpossibili.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":404,"url":"https:\/\/xmau.com\/ilpost\/2010\/10\/08\/il-quinto-postulato-di-euclide\/","url_meta":{"origin":1199,"position":4},"title":"Il quinto postulato di Euclide","author":".mau.","date":"08\/10\/2010","format":false,"excerpt":"Quello delle geometrie non euclidee \u00e8 un tema che non pu\u00f2 mancare in un blog di divulgazione matematica; il difficile \u00e8 riuscire a dire qualcosa di diverso dal solito. 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Eccovi un modo molto semplice per trovare una proposizione indecidibile secondo certe regole aritmetiche.","rel":"","context":"In \"assiomi\"","block_context":{"text":"assiomi","link":"https:\/\/xmau.com\/ilpost\/tag\/assiomi\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"https:\/\/xmau.com\/ilpost\/wp-json\/wp\/v2\/posts\/1199","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=1199"}],"version-history":[{"count":1,"href":"https:\/\/xmau.com\/ilpost\/wp-json\/wp\/v2\/posts\/1199\/revisions"}],"predecessor-version":[{"id":1201,"href":"https:\/\/xmau.com\/ilpost\/wp-json\/wp\/v2\/posts\/1199\/revisions\/1201"}],"wp:attachment":[{"href":"https:\/\/xmau.com\/ilpost\/wp-json\/wp\/v2\/media?parent=1199"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xmau.com\/ilpost\/wp-json\/wp\/v2\/categories?post=1199"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xmau.com\/ilpost\/wp-json\/wp\/v2\/tags?post=1199"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}