\u3053\u306e\u3088\u3046\u306a\u30bf\u30a4\u30c8\u30eb\u3092\u898b\u3066\u3001\u8429\u672c\u6b23\u4e00\u3092\u601d\u3044\u51fa\u305b\u308b\u4eba\u306f\u79c1\u3068\u540c\u3058\u5e74\u4ee3\u304b\u305d\u308c\u4ee5\u4e0a\u306e\u4eba\u3060\u3002\u4eca\u56de\u306f\u3001\u3082\u3061\u308d\u3093\u3075\u3056\u3051\u3066\u8a00\u3063\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3002<\/p>\n
\u6587\u79d1\u7701\u306e\u5b9a\u3081\u305f\u65b0\u8ab2\u7a0b\u306e\u6570\u5b66\u306e\u30ab\u30ea\u30ad\u30e5\u30e9\u30e0\u306b\u3064\u3044\u3066\u3001\u3064\u304f\u3065\u304f\u3053\u308c\u3092\u4f5c\u3063\u305f\u4eba\u306e\u5e38\u8b58\u304c\u7591\u308f\u308c\u308b\u3068\u611f\u3058\u3066\u3044\u308b\u3002
\n\u3068\u3044\u3046\u306e\u306f\u3001\u524d\u56de\u306e\u6539\u8a02\u306e\u3068\u304d\u3082\u305d\u3046\u3067\u3042\u3063\u305f\u304c\u3001\u3068\u3066\u3082\u30ab\u30ea\u30ad\u30e5\u30e9\u30e0\u4f5c\u308a\u306b\u65e5\u672c\u306e\u30d9\u30b9\u30c8\u30e1\u30f3\u30d0\u30fc\u3092\u3042\u3066\u3066\u3044\u308b\u3068\u306f\u601d\u3048\u306a\u3044\u304b\u3089\u3060\u3002
\n\u6587\u79d1\u7701\u306e\u30ab\u30ea\u30ad\u30e5\u30e9\u30e0\u3063\u3066\u3044\u3064\u3082\u300c\u306a\u3093\u3067\u3053\u3046\u306a\u308b\u306e?\u300d\u3068\u8a00\u3044\u305f\u3044\u6c17\u5206\u3067\u3042\u308b\u3002<\/p>\n
\u6700\u8fd1\u3001\u79c1\u306f\u3001\u3053\u306e\u30ab\u30ea\u30ad\u30e5\u30e9\u30e0\u306b\u6cbf\u3063\u305f\u6559\u79d1\u66f8\u3092\u66f8\u3044\u3066\u3044\u308b\u3002\u3082\u3061\u308d\u3093\u300c\u691c\u5b9a\u5916\u300d\u306e\u6559\u79d1\u66f8\u3067\u3042\u308b\u3002\u3060\u304b\u3089\u3001\u4f59\u8a08\u30ab\u30ea\u30ad\u30e5\u30e9\u30e0\u306e\u4e0d\u5099\u304c\u76ee\u7acb\u3064\u3002
\n\u3044\u304f\u3064\u304b\u53d6\u308a\u3042\u3052\u3066\u307f\u3088\u3046\u3002<\/p>\n
\u4eca\u56de\u306f\u3001\u5404\u6559\u79d1\u66f8\u3068\u3082\u300c\u5fc5\u8981\u6761\u4ef6\u30fb\u5341\u5206\u6761\u4ef6\u300d\u306e\u6271\u3046\u30bf\u30a4\u30df\u30f3\u30b0\u306b\u82e6\u52b4\u3057\u3066\u3044\u308b\u3002
\n\u30fb\u6307\u5c0e\u8981\u9818\u3067\u306f\u3001\u300c\u6570\u3068\u5f0f\u300d\u306e\u4e2d\u306e\u6700\u521d\u306e\u65b9(\u5f0f\u306e\u5c55\u958b\u3001\u56e0\u6570\u5206\u89e3\u3088\u308a\u3082\u524d)\u3067\u6271\u3046\u3053\u3068\u306b\u306a\u3063\u3066\u3044\u308b\u3002\u3053\u308c\u3067\u306f\u307e\u3060\u8aac\u660e\u3059\u308b\u305f\u3081\u306e\u30b5\u30f3\u30d7\u30eb\u304c\u5c11\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u3068\u3001\u9ad8\u6821\u6570\u5b66\u306b\u6163\u308c\u3066\u3044\u306a\u3044\u6bb5\u968e(4\u6708\uff5e5\u6708\u4e0a\u65ec)\u306a\u306e\u3067\u53b3\u3057\u3044\u306e\u3067\u306f\u3068\u601d\u3046\u3002\u5927\u624b\u306e\u6559\u79d1\u66f8\u3067\u306f\u3053\u306e\u9806\u756a\u306b\u306a\u3063\u3066\u3044\u306a\u3044\u3002
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\n\u300c\u300e\u5fc5\u8981\u6761\u4ef6\u30fb\u5341\u5206\u6761\u4ef6\u300f\u304c\u306a\u305c\u300e\u6570\u3068\u5f0f\u300f\u306a\u306e\u304b!?\u300d
\n\u306f\u306a\u306f\u3060\u4e0d\u53ef\u601d\u8b70\u3067\u3042\u308b\u3002
\n\u30fb\u6771\u4eac\u66f8\u7c4d\u306f\u305d\u306e\u3042\u305f\u308a\u3092\u3088\u304f\u8003\u3048\u3066\u3042\u308a\u3001\u5225\u306e\u7ae0\u3068\u3057\u3066\u3044\u308b\u3002\u3057\u305f\u304c\u3063\u3066, \u6587\u79d1\u7701\u306e\u30ab\u30ea\u30ad\u30e5\u30e9\u30e0\u306e\u901a\u308a\u306a\u3089\u3001\u6570\u5b66 I \u306f 4 \u7ae0\u69cb\u6210\u3067\u3042\u308b\u304c\u3001\u6771\u4eac\u66f8\u7c4d\u306f 5 \u7ae0\u69cb\u6210\u3067\u3042\u308b\u3002\u3053\u3061\u3089\u306e\u65b9\u304c\u7406\u306b\u304b\u306a\u3063\u3066\u3044\u308b\u3002<\/p>\n
\u300c\u56f3\u5f62\u3068\u8a08\u91cf\u300d\u306e\u4f59\u5f26\u5b9a\u7406\u306b\u3064\u3044\u3066\u3001\u4e00\u8a00\u3044\u3044\u305f\u3044\u3002\u3053\u308c\u306f\u3001\u4eca\u56de\u306e\u6539\u8a02\u304c\u7406\u7531\u3067\u306f\u306a\u304f\u3001\u3053\u308c\u307e\u3067\u53d7\u3051\u7d99\u304c\u308c\u3066\u304d\u305f\u3053\u3068\u3067\u3042\u308b\u304c\u3001
\n\u4f59\u5f26\u5b9a\u7406\u3068\u3057\u3066\u3001\u306a\u305c\u3001<\/p>\n
a^2 =b^2+c^2-2bc cos A<\/p>\n
\u3060\u3051\u3067\u306a\u304f\u3001<\/p>\n
a^2=b^2 +c^2 -2bc cos A
\nb^2=c^2 +a^2 -2ca cos B
\nc^2=a^2 +b^2 -2ab cos C<\/p>\n
\u3092\u66f8\u304f\u5fc5\u8981\u304c\u3042\u308b\u306e\u3060\u308d\u3046\u304b\u3002\u3053\u308c\u306f\u3001\u4e00\u3064\u3042\u308c\u3070\u3088\u3044\u3002
\na^2 \u3092\u6c42\u3081\u305f\u3044\u3068\u304d\u3001\u96a3\u306e\u8fba\u306e\u9577\u3055\u3068\u5411\u304b\u3044\u5074\u306e\u89d2\u306e\u4f59\u5f26\u3067\u6c7a\u5b9a\u3059\u308b\u3053\u3068\u304c\u5927\u5207\u306a\u306e\u3060\u304b\u3089\u3001\u305d\u308c\u304c\u308f\u304b\u308c\u3070\u3088\u3044\u306e\u3067 3 \u3064\u66f8\u304f\u5fc5\u8981\u306f\u306a\u3044\u3002<\/p>\n
\u300ca^2 \u304c b^2, c^2 \u306b\u306a\u3063\u305f\u3089\u308f\u304b\u3089\u306a\u304f\u306a\u308b\u306e\u3067\u3059\u3079\u3066\u66f8\u3044\u305f\u300d<\/p>\n
\u306e\u3067\u3042\u308c\u3070\u3001\u305d\u306e\u3088\u3046\u306a\u52c9\u5f37\u3092\u3059\u308b\u4eba\u306f\u8fba\u306e\u9577\u3055\u304c p,q,r \u306b\u306a\u308b\u3068\u5206\u304b\u3089\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3046\u3067\u306f\u306a\u3044\u304b\u3002<\/p>\n
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\u307e\u305f\u3001\u300c\u56f3\u5f62\u3068\u8a08\u91cf\u300d\u306e\u6700\u5f8c\u306b\u4e09\u89d2\u6bd4\u3092\u5e73\u9762\u56f3\u5f62\u3001\u7a7a\u9593\u56f3\u5f62\u306e\u8003\u5bdf\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u3001\u3068\u3042\u308b\u304c\u3001\u5404\u793e\u3068\u3082\u7a7a\u9593\u56f3\u5f62\u306e\u6d3b\u7528\u306b\u82e6\u52b4\u3057\u3066\u3044\u308b\u3002
\n\u305d\u3082\u305d\u3082\u3001\u7a7a\u9593\u56f3\u5f62\u306e\u6d3b\u7528\u3092\u7121\u7406\u306b\u3053\u3053\u3067\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u306e\u3060\u308d\u3046\u304b\u3002\u306a\u304a\u3001\u7a7a\u9593\u56f3\u5f62\u306b\u3064\u3044\u3066\u306f\u3001\u6570\u5b66 A \u306b\u3082\u4f3c\u305f\u3088\u3046\u306a\u5358\u5143\u304c\u3042\u308b\u3002<\/p>\n
\u307e\u3060\u3001\u6570\u5b66 I \u3060\u3051\u3067\u3082\u3044\u304f\u3064\u304b\u6c17\u304c\u3064\u3044\u305f\u3053\u3068\u304c\u3042\u308b\u306e\u3060\u304c\u3001\u4eca\u65e5\u306f\u3053\u306e\u8fba\u306b\u3057\u3066\u304a\u304f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u3053\u306e\u3088\u3046\u306a\u30bf\u30a4\u30c8\u30eb\u3092\u898b\u3066\u3001\u8429\u672c\u6b23\u4e00\u3092\u601d\u3044\u51fa\u305b\u308b\u4eba\u306f\u79c1\u3068\u540c\u3058\u5e74\u4ee3\u304b\u305d\u308c\u4ee5\u4e0a\u306e\u4eba\u3060\u3002\u4eca\u56de\u306f\u3001\u3082\u3061\u308d\u3093\u3075\u3056\u3051\u3066\u8a00\u3063\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3002 \u6587\u79d1\u7701\u306e\u5b9a\u3081\u305f\u65b0\u8ab2\u7a0b\u306e\u6570\u5b66\u306e\u30ab\u30ea\u30ad\u30e5\u30e9\u30e0\u306b\u3064\u3044\u3066\u3001\u3064\u304f\u3065\u304f\u3053\u308c\u3092\u4f5c\u3063\u305f\u4eba\u306e\u5e38\u8b58\u304c\u7591\u308f\u308c\u308b\u3068 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,4],"tags":[],"class_list":["post-1001","post","type-post","status-publish","format-standard","hentry","category-7","category-4"],"_links":{"self":[{"href":"https:\/\/math.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1001","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/math.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/math.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/math.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/math.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1001"}],"version-history":[{"count":3,"href":"https:\/\/math.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1001\/revisions"}],"predecessor-version":[{"id":1007,"href":"https:\/\/math.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1001\/revisions\/1007"}],"wp:attachment":[{"href":"https:\/\/math.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1001"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/math.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1001"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/math.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1001"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}