{"id":1881,"date":"2021-09-18T15:29:44","date_gmt":"2021-09-18T06:29:44","guid":{"rendered":"https:\/\/www.roundown.net\/nyushi\/?p=1881"},"modified":"2021-09-18T15:29:44","modified_gmt":"2021-09-18T06:29:44","slug":"thr201601","status":"publish","type":"post","link":"https:\/\/www.roundown.net\/nyushi\/thr201601\/","title":{"rendered":"\u6771\u5317\u5927\u7406\u7cfb2016\uff1a\u7b2c1\u554f"},"content":{"rendered":"
\n

\u92ed\u89d2\u4e09\u89d2\u5f62 \\(\\triangle \\text{ABC}\\) \u306b\u304a\u3044\u3066, \u9802\u70b9 A , B , C \u304b\u3089\u5404\u5bfe\u8fba\u306b\u5782\u7dda AD , BE , CF \u3092\u4e0b\u308d\u3059. \u3053\u308c\u3089\u306e\u5782\u7dda\u306f\u5782\u5fc3 H \u3067\u4ea4\u308f\u308b. \u3053\u306e\u3068\u304d, \u4ee5\u4e0b\u306e\u554f\u306b\u7b54\u3048\u3088.<\/p>\r\n

    \r\n

  1. (1)<\/strong>\u3000\u56db\u89d2\u5f62 BCEF \u3068 AFHE \u304c\u5186\u306b\u5185\u63a5\u3059\u308b\u3053\u3068\u3092\u793a\u305b.<\/p><\/li>\r\n

  2. (2)<\/strong>\u3000\\(\\angle \\text{ADE} = \\angle \\text{ADF}\\) \u3067\u3042\u308b\u3053\u3068\u3092\u793a\u305b.<\/p><\/li>\r\n<\/ol>\r\n

    \r\n\r\n

    \u3010 \u89e3 \u7b54 \u3011<\/h4>\r\n\"thr20160101.svg\"\r\n

    (1)<\/strong><\/p>\r\n

    \\(\\angle \\text{BEC} = \\angle \\text{BFC} = 90^{\\circ}\\) \u306a\u306e\u3067, \u70b9 E , F \u306f BC \u3092\u76f4\u5f84\u3068\u3059\u308b\u5186\u5468\u4e0a\u306b\u3042\u308b.
    \r\n\u3088\u3063\u3066, \u56db\u89d2\u5f62 BCEF \u306f, \u5186\u306b\u5185\u63a5\u3059\u308b.
    \r\n\\(\\angle \\text{AFH} = \\angle \\text{AEH} = 90^{\\circ}\\) \u306a\u306e\u3067, \u70b9 E , F \u306f AH \u3092\u76f4\u5f84\u3068\u3059\u308b\u5186\u5468\u4e0a\u306b\u3042\u308b.
    \r\n\u3088\u3063\u3066, \u56db\u89d2\u5f62 AFHE \u306f, \u5186\u306b\u5185\u63a5\u3059\u308b.<\/p>\r\n

    (2)<\/strong><\/p>\r\n

    (1)<\/strong> \u306e\u7d50\u679c\u304b\u3089, \u5186\u5468\u89d2\u306e\u5b9a\u7406\u3088\u308a\r\n\\[\r\n\\angle \\text{FBE} = \\angle \\text{FCE} \\quad ... [1] \\ .\r\n\\]\r\n(1)<\/strong> \u3068\u540c\u69d8\u306b\u8003\u3048\u308b\u3068, \u56db\u89d2\u5f62 BDHF , \u56db\u89d2\u5f62 CEHD \u3082\u5186\u306b\u5185\u63a5\u3059\u308b\u306e\u3067, \u5186\u5468\u89d2\u306e\u5b9a\u7406\u3088\u308a\r\n\\[\r\n\\angle \\text{FBH} = \\angle \\text{FDH} , \\ \\angle \\text{HCE} = \\angle \\text{HDE} \\quad ... [2] \\ .\r\n\\]\r\n[1] [2] \u3088\u308a\r\n\\[\r\n\\underline{\\angle \\text{ADE} = \\angle \\text{ADF}} \\ .\r\n\\]\r\n","protected":false},"excerpt":{"rendered":"\u92ed\u89d2\u4e09\u89d2\u5f62 \\(\\triangle \\text{ABC}\\) \u306b\u304a\u3044\u3066, \u9802\u70b9 A , B , C \u304b\u3089\u5404\u5bfe\u8fba\u306b\u5782\u7dda AD , BE , CF \u3092\u4e0b\u308d\u3059. \u3053\u308c\u3089\u306e\u5782\u7dda\u306f\u5782\u5fc3 H \u3067\u4ea4\u308f\u308b. \u3053\u306e\u3068\u304d, \u4ee5\u4e0b\u306e\u554f\u306b\u7b54\u3048\u3088 … \u7d9a\u304d\u3092\u8aad\u3080 →<\/span><\/a>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[155],"tags":[148,162],"class_list":["post-1881","post","type-post","status-publish","format-standard","hentry","category-tohoku_r_2016","tag-tohoku_r","tag-162"],"_links":{"self":[{"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/posts\/1881","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/comments?post=1881"}],"version-history":[{"count":0,"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/posts\/1881\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/media?parent=1881"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/categories?post=1881"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.roundown.net\/nyushi\/wp-json\/wp\/v2\/tags?post=1881"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}