{"id":4283,"date":"2025-02-22T09:20:25","date_gmt":"2025-02-22T14:20:25","guid":{"rendered":"https:\/\/josmfs.net\/?p=4283"},"modified":"2025-02-22T18:20:08","modified_gmt":"2025-02-22T23:20:08","slug":"tricky-triangle","status":"publish","type":"post","link":"https:\/\/josmfs.net\/wordpress\/2025\/02\/22\/tricky-triangle\/","title":{"rendered":"Tricky Triangle"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignleft  wp-image-4280\" src=\"https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2025\/02\/Tricky-Triangle-Fig2.jpg\" alt=\"\" width=\"251\" height=\"167\" srcset=\"https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2025\/02\/Tricky-Triangle-Fig2.jpg 498w, https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2025\/02\/Tricky-Triangle-Fig2-300x200.jpg 300w\" sizes=\"auto, (max-width: 251px) 100vw, 251px\" \/>I think this turned out to be an even trickier <a href=\"https:\/\/www.theguardian.com\/science\/2025\/feb\/17\/can-you-solve-it-the-simple-geometry-question-that-fools-almost-everyone\">problem<\/a> than Alex Bellos thought.<\/p>\n<p><strong>\u201cTricky triangle\u00a0 <\/strong>This one was sent in by a reader, aged 85, who first saw it in 1960. He is a roboticist who passed through Harvard, Princeton, Stanford and IBM. He says it is his favourite puzzle. \u2018I\u2019ve given this puzzle to perhaps 100 people. Over 80% have no idea how to solve it.\u2019\u00a0 What is the length of AD, the dashed line?\u201d<\/p>\n<p><a href=\"https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2025\/02\/Tricky-Triangle-Answer.jpg\">Answer<\/a>.<\/p>\n<p>See <a href=\"https:\/\/josmfs.net\/wordpress\/wp-content\/uploads\/2025\/02\/Tricky-Triangle-250222.pdf\">Tricky Triangle<\/a> for solutions.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I think this turned out to be an even trickier problem than Alex Bellos thought. \u201cTricky triangle\u00a0 This one was sent in by a reader, aged 85, who first saw it in 1960. He is a roboticist who passed through Harvard, Princeton, Stanford and IBM. He says it is his favourite puzzle. \u2018I\u2019ve given this [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[15,40],"class_list":["post-4283","post","type-post","status-publish","format-standard","hentry","category-puzzles-and-problems","tag-alex-bellos","tag-analytic-geometry"],"_links":{"self":[{"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/posts\/4283","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/comments?post=4283"}],"version-history":[{"count":4,"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/posts\/4283\/revisions"}],"predecessor-version":[{"id":4289,"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/posts\/4283\/revisions\/4289"}],"wp:attachment":[{"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/media?parent=4283"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/categories?post=4283"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/josmfs.net\/wordpress\/wp-json\/wp\/v2\/tags?post=4283"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}