{"id":79,"date":"2013-10-28T04:54:47","date_gmt":"2013-10-27T19:54:47","guid":{"rendered":"http:\/\/www.math-konami.com\/blog\/?p=79"},"modified":"2014-09-12T15:00:39","modified_gmt":"2014-09-12T06:00:39","slug":"gergonne-%e4%b8%89%e8%a7%92%e5%bd%a2-%e3%81%ae%e6%80%a7%e8%b3%aa","status":"publish","type":"post","link":"http:\/\/www.math-konami.com\/blog\/?p=79","title":{"rendered":"Gergonne \u4e09\u89d2\u5f62 \u306e\u6027\u8cea"},"content":{"rendered":"<p>\u3084\u3063\u3068\u8a3c\u660e\u3067\u304d\u305f\u3002<\/p>\n<p>\u25b3ABC\u306e\u5185\u63a5\u5186\u3068\u8fbaBC\uff0cCA\uff0cAB\u306e\u5171\u6709\u70b9\u3092\u305d\u308c\u305e\u308cP\\({}_a\\), P\\({}_b\\), P\\({}_c\\)\uff0c<br \/>\n\u8fbaBC\uff0cCA\uff0cAB\u306e\u4e2d\u70b9\u3092\u305d\u308c\u305e\u308cM\\({}_a\\), M\\({}_b\\), M\\({}_c\\) \u3068\u3059\u308b\u3002<br \/>\n\u3053\u306e\u3068\u304dM\\({}_a\\) \u304b\u3089\u7dda\u5206 P\\({}_b\\)P\\({}_c\\)\u306b\u5f15\u3044\u305f\u5782\u7dda\uff0cM\\({}_b\\)\u304b\u3089\u7dda\u5206P\\({}_c\\)P\\({}_a\\)\u306b\u5f15\u3044\u305f\u5782\u7dda\uff0c<br \/>\nM\\({}_c\\)\u304b\u3089\u7dda\u5206P\\({}_a\\)P\\({}_b\\)\u306b\u5f15\u3044\u305f\u5782\u7dda\u306f1\u70b9\u3067\u4ea4\u308f\u308b\u3002<\/p>\n<p><a href=\"http:\/\/www.math-konami.com\/blog\/wp-content\/uploads\/2013\/10\/p-51.jpg\"><img loading=\"lazy\" class=\"size-medium wp-image-86 aligncenter\" alt=\"p-51\" src=\"http:\/\/www.math-konami.com\/blog\/wp-content\/uploads\/2013\/10\/p-51-300x199.jpg\" width=\"300\" height=\"199\" srcset=\"http:\/\/www.math-konami.com\/blog\/wp-content\/uploads\/2013\/10\/p-51-300x199.jpg 300w, http:\/\/www.math-konami.com\/blog\/wp-content\/uploads\/2013\/10\/p-51.jpg 482w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Posamentier &amp; Lehmann, <em>The Secrets of Triangles, <\/em>Prometheus Books, 2012, p.51\u3000\u3088\u308a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u3084\u3063\u3068\u8a3c\u660e\u3067\u304d\u305f\u3002 \u25b3ABC\u306e\u5185\u63a5\u5186\u3068\u8fbaBC\uff0cCA\uff0cAB\u306e\u5171\u6709\u70b9\u3092\u305d\u308c\u305e\u308cP\\({}_a\\), P\\({}_b\\), P\\({}_c\\)\uff0c \u8fbaBC\uff0cCA\uff0cAB\u306e\u4e2d\u70b9\u3092\u305d\u308c\u305e\u308cM\\({}_a\\), M\\({}_b\\), M &hellip; <a href=\"http:\/\/www.math-konami.com\/blog\/?p=79\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[11,271],"tags":[25,26,340],"_links":{"self":[{"href":"http:\/\/www.math-konami.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/79"}],"collection":[{"href":"http:\/\/www.math-konami.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.math-konami.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.math-konami.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.math-konami.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=79"}],"version-history":[{"count":7,"href":"http:\/\/www.math-konami.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/79\/revisions"}],"predecessor-version":[{"id":1835,"href":"http:\/\/www.math-konami.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/79\/revisions\/1835"}],"wp:attachment":[{"href":"http:\/\/www.math-konami.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=79"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.math-konami.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=79"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.math-konami.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=79"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}