{"id":38,"date":"2018-05-25T15:57:00","date_gmt":"2018-05-25T06:57:00","guid":{"rendered":"http:\/\/yoshimotolab.com\/2018\/05\/25\/%e8%8b%b1%e8%aa%9e%e3%81%a7%e6%ad%a3%e5%bc%a6%e5%ae%9a%e7%90%86%e3%80%81%e4%bd%99%e5%bc%a6%e5%ae%9a%e7%90%86%e3%80%81%e5%a4%96%e6%8e%a5%e5%86%86\/"},"modified":"2022-07-27T18:49:13","modified_gmt":"2022-07-27T09:49:13","slug":"%e8%8b%b1%e8%aa%9e%e3%81%a7%e6%ad%a3%e5%bc%a6%e5%ae%9a%e7%90%86%e3%80%81%e4%bd%99%e5%bc%a6%e5%ae%9a%e7%90%86%e3%80%81%e5%a4%96%e6%8e%a5%e5%86%86","status":"publish","type":"post","link":"https:\/\/katekyo.yoshimotoke.com\/?p=38","title":{"rendered":"\u82f1\u8a9e\u3067\u6b63\u5f26\u5b9a\u7406\u3001\u4f59\u5f26\u5b9a\u7406\u3001\u5916\u63a5\u5186"},"content":{"rendered":"<p><\/p>\n<p><\/p>\n<p>\u4eca\u56de\u306f\u6570\u5b66\u2160\u306e\u56f3\u5f62\u306e\u3068\u3053\u308d\u3002<\/p>\n<p>\u6b63\u5f26\u5b9a\u7406\u3001\u4f59\u5f26\u5b9a\u7406\u3001\u5916\u63a5\u5186\u3002<\/p>\n<p><\/p>\n<p><\/p>\n<h3 data-tadv-p=\"keep\">\u6b63\u5f26\u5b9a\u7406<\/h3>\n<p><\/p>\n<p><\/p>\n<p>\u6b63\u5f26\u5b9a\u7406\u306f\u3001The Law of Sines (\u30b6\u30fb\u30ed\u30fc\u30fb\u30aa\u30d6\u30fb\u30b5\u30a4\u30f3\u30ba)<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?\\frac{a}{sinA}=&amp;space;\\frac{b}{sinB}=\\frac{c}{sinC}=2R\" title=\"\\frac{a}{sinA}= \\frac{b}{sinB}=\\frac{c}{sinC}=2R\"><\/p>\n<p><\/p>\n<p>R\u306f\u5916\u63a5\u5186\u306e\u534a\u5f84\u3002\u9ad8\u6821\u306e\u6570\u5b66\u3067\u306f\uff12\uff32\u304c\u5165\u3063\u3066\u3044\u306a\u3044\u6559\u79d1\u66f8\u3082\u591a\u3044\u3089\u3057\u3044\u3002<\/p>\n<p>\u5916\u63a5\u5186\u306e\u534a\u5f84\u306a\u304f\u3057\u3066\u56f3\u5f62\u306e\u554f\u984c\u6210\u308a\u7acb\u3064\u3093\u304b\uff1f( \uffe3\uff0d\uffe3)<\/p>\n<p><\/p>\n<p><\/p>\n<p><\/p>\n<p><\/p>\n<p><\/p>\n<p><\/p>\n<p><\/p>\n<p><\/p>\n<h3 data-tadv-p=\"keep\">\u5916\u63a5\u5186<\/h3>\n<p><\/p>\n<p><\/p>\n<p>\u3061\u306a\u307f\u306b\u5916\u63a5\u5186\u306f\u3001CircumCircle (\u30b5\u30fc\u30ab\u30e0\u30b5\u30fc\u30af\u30eb)<\/p>\n<p><\/p>\n<p>\u306a\u306e\u3067\u3001<\/p>\n<p><\/p>\n<p>\u4e09\u89d2\u5f62\uff21\uff22\uff23\u306e\u5916\u63a5\u5186\u306e\u534a\u5f84\u306f\u3001<\/p>\n<p><\/p>\n<p>the radius&nbsp;of the circumcircle of the triangle ABC<\/p>\n<p><\/p>\n<p>\u3068\u306a\u308b\u3002<\/p>\n<p><\/p>\n<p>circumradius \u3082\u3042\u308a\u3002<\/p>\n<p><\/p>\n<p><\/p>\n<p><\/p>\n<p><\/p>\n<p><\/p>\n<p><\/p>\n<p><\/p>\n<h3 data-tadv-p=\"keep\">\u4f59\u5f26\u5b9a\u7406<\/h3>\n<p><\/p>\n<p><\/p>\n<p><\/p>\n<p>\u4f59\u5f26\u5b9a\u7406\u306f\u3001The Law of Cosines (\u30b6\u30fb\u30ed\u30fc\u30fb\u30aa\u30d6\u30fb\u30b3\u30b5\u30a4\u30f3\u30ba)<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/latex.codecogs.com\/gif.latex?b^{2}=a^{2}+c^{2}-2ac\\cdot&amp;space;cosB\" title=\"b^{2}=a^{2}+c^{2}-2ac\\cdot cosB\"><\/p>\n<p><\/p>\n<p><\/p>\n<p><\/p>\n<p><\/p>\n<p><\/p>\n<h3>\u307e\u3068\u3081<\/h3>\n<p><\/p>\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u4f8b\u3048\u3070\u3001<\/p>\n<p><\/p>\n<p>Applying the law of sines, we get the circumradius of the triangle ABC.<\/p>\n<p>(\u6b63\u5f26\u5b9a\u7406\u3088\u308a\u3001\u4e09\u89d2\u5f62ABC\u306e\u5916\u63a5\u5186\u306e\u534a\u5f84\u304c\u51fa\u305b\u308b\u3002)<\/p>\n<p><\/p>\n<p>\u3068\u304b\u8a00\u3048\u308b\u3002<\/p>\n<p><\/p>\n\n    \t","protected":false},"excerpt":{"rendered":"<p>\u4eca\u56de\u306f\u6570\u5b66\u2160\u306e\u56f3\u5f62\u306e\u3068\u3053\u308d\u3002 \u6b63\u5f26\u5b9a\u7406\u3001\u4f59\u5f26\u5b9a\u7406\u3001\u5916\u63a5\u5186\u3002 \u6b63\u5f26\u5b9a\u7406 \u6b63\u5f26\u5b9a\u7406\u306f\u3001The Law of Sines (\u30b6\u30fb\u30ed\u30fc\u30fb\u30aa\u30d6\u30fb\u30b5\u30a4\u30f3\u30ba) R\u306f\u5916\u63a5\u5186\u306e\u534a\u5f84\u3002\u9ad8\u6821\u306e\u6570\u5b66\u3067\u306f\uff12\uff32\u304c\u5165\u3063\u3066\u3044\u306a\u3044\u6559\u79d1\u66f8\u3082\u591a\u3044\u3089\u3057\u3044\u3002 \u5916 &#8230; <\/p>\n","protected":false},"author":2,"featured_media":1051,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[62,61],"tags":[],"class_list":{"0":"post-38","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-62","8":"category-highschoolmath-in-english"},"_links":{"self":[{"href":"https:\/\/katekyo.yoshimotoke.com\/index.php?rest_route=\/wp\/v2\/posts\/38","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/katekyo.yoshimotoke.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/katekyo.yoshimotoke.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/katekyo.yoshimotoke.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/katekyo.yoshimotoke.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=38"}],"version-history":[{"count":1,"href":"https:\/\/katekyo.yoshimotoke.com\/index.php?rest_route=\/wp\/v2\/posts\/38\/revisions"}],"predecessor-version":[{"id":6715,"href":"https:\/\/katekyo.yoshimotoke.com\/index.php?rest_route=\/wp\/v2\/posts\/38\/revisions\/6715"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/katekyo.yoshimotoke.com\/index.php?rest_route=\/wp\/v2\/media\/1051"}],"wp:attachment":[{"href":"https:\/\/katekyo.yoshimotoke.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=38"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/katekyo.yoshimotoke.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=38"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/katekyo.yoshimotoke.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=38"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}