{"id":1553,"date":"2015-12-25T10:00:23","date_gmt":"2015-12-25T01:00:23","guid":{"rendered":"http:\/\/math.co.jp\/blog\/?p=1553"},"modified":"2015-12-26T22:28:11","modified_gmt":"2015-12-26T13:28:11","slug":"%e7%ac%ac9%e5%9b%9e%e9%ab%98%e5%a4%a7%e6%8e%a5%e7%b6%9a%e3%82%b7%e3%82%b9%e3%83%86%e3%83%a0%e6%94%b9%e9%9d%a9%e4%bc%9a%e8%ad%b0%e3%81%a7%e6%8f%90%e7%a4%ba%e3%81%95%e3%82%8c%e3%81%9f%e6%95%b0%e5%ad%a6","status":"publish","type":"post","link":"https:\/\/math.co.jp\/blog\/?p=1553","title":{"rendered":"\u7b2c9\u56de\u9ad8\u5927\u63a5\u7d9a\u30b7\u30b9\u30c6\u30e0\u6539\u9769\u4f1a\u8b70\u3067\u63d0\u793a\u3055\u308c\u305f\u6570\u5b66\u306e\u554f\u984c\u306e\u89e3\u8aac"},"content":{"rendered":"<p>12\u670822\u65e5\u306e\u6587\u79d1\u7701\u306e\u9ad8\u5927\u63a5\u7d9a\u30b7\u30b9\u30c6\u30e0\u6539\u9769\u4f1a\u8b70\u306e\u4e2d\u3067, \u30bb\u30f3\u30bf\u30fc\u8a66\u9a13\u306e\u5f8c\u7d99\u8a66\u9a13\u3068\u306a\u308b\u300c\u5927\u5b66\u5165\u5b66\u5e0c\u671b\u8005\u5b66\u529b\u30c6\u30b9\u30c8(\u4eee\u79f0) \u300d\u306e\u554f\u984c\u4f8b\u304c\u767a\u8868\u3055\u308c\u305f\u3002<\/p>\n<p>\u554f\u984c\u306b\u3064\u3044\u3066\u306f<a href=\"http:\/\/www.mext.go.jp\/b_menu\/shingi\/chousa\/shougai\/033\/shiryo\/__icsFiles\/afieldfile\/2015\/12\/22\/1365554_06_1.pdf\">\u3053\u3061\u3089<\/a>\u3092\u53c2\u8003\u306b\u3057\u3066\u3082\u3089\u3044\u305f\u3044\u3002<\/p>\n<p>\u307e\u305a, \u554f\u984c\u306e\u8cea\u306b\u3064\u3044\u3066\u3067\u3042\u308b\u304c, \u500b\u4eba\u7684\u306a\u52d8\u3067\u306f\u3042\u308b\u304c, \u4eca\u56de\u306e\u4f1a\u8b70\u306b\u9593\u306b\u5408\u308f\u305b\u308b\u305f\u3081\u306b\u6025\u3044\u3067\u4f5c\u6210\u3057\u305f\u69d8\u5b50\u304c\u3042\u308a, 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\u4eca\u56de\u3082\u300c\u554f\u984c\u3068\u3057\u3066\u306f\u4e0d\u51fa\u6765\u300d\u3068\u8a00\u3044\u305f\u304f\u306a\u308b\u90e8\u5206\u306f, \u5f53\u7136\u672c\u756a\u306e\u8a66\u9a13\u3067\u306f\u4fee\u6b63\u3057\u3066\u5b8c\u6210\u5ea6\u306e\u9ad8\u3044\u554f\u984c\u3092\u51fa\u984c\u3055\u308c\u308b\u3068\u8003\u3048\u3089\u308c\u308b\u3002(\u914d\u5e03\u8cc7\u6599\u306e1\u30da\u30fc\u30b8\u76ee\u306b\u3082\u4eca\u56de\u306f\u65b9\u5411\u6027\u3092\u898b\u3066\u3082\u3089\u3044\u305f\u3044\u3068\u66f8\u3044\u3066\u3042\u308b\u3002)<\/p>\n<p><strong>[\u7dcf\u8a55]<\/strong><br \/>\n\u554f\u984c\u4e00\u984c\u4e00\u984c\u304c\u9577\u6587\u5316\u3057\u305f\u3002\u3053\u306e\u3088\u3046\u306a\u554f\u984c\u306e\u5834\u5408, \u53d7\u691c\u8005\u306f\u554f\u984c\u306b\u53d6\u308a\u7d44\u3080\u6642\u9593\u306f\u304b\u304b\u308b\u304c, \u7b54\u3048\u308b\u91cf\u306f\u5c11\u306a\u3044\u3002\u3057\u305f\u304c\u3063\u3066, \u3053\u306e\u8a66\u9a13\u3067\u306f\u4eca\u307e\u3067\u306b\u6e2c\u308c\u306a\u304b\u3063\u305f\u90e8\u5206\u3092\u77e5\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u53cd\u9762, \u6e2c\u308c\u306a\u304f\u306a\u308b\u90e8\u5206\u3082\u591a\u3044\u3002\u305d\u3046\u306a\u308b\u3068, \u3053\u306e\u554f\u3044\u3060\u3051\u3067, \u6570\u5b66\u304c\u3088\u304f\u3067\u304d\u308b\u4eba\u304b\u3089\u305d\u3046\u3067\u306a\u3044\u4eba\u3092\u5206\u985e\u3059\u308b\u306e\u306f\u96e3\u3057\u3044\u3002\u3057\u304b\u3082, \u4eca\u306b\u306a\u3063\u3066\u63a1\u70b9\u306e\u96e3\u3057\u3055\u304c\u30af\u30ed\u30fc\u30ba\u30a2\u30c3\u30d7\u3055\u308c\u3066\u304d\u305f\u3002<br \/>\n\u3055\u3066, \u30de\u30b9\u30b3\u30df\u306e\u5831\u9053\u3067\u8aa4\u89e3\u3092\u62db\u304d\u3084\u3059\u3044\u3068\u611f\u3058\u308b\u306e\u306f, 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\u4e00\u65b9\u3067\u3042\u308a\u304c\u305f\u3044\u8a71\u3067\u3082\u3042\u308b\u3002\u3064\u307e\u308a\u3053\u308c\u307e\u3067\u7a4d\u307f\u4e0a\u3052\u3066\u304d\u305f\u30bb\u30f3\u30bf\u30fc\u8a66\u9a13\u306e\u30ce\u30a6\u30cf\u30a6\u3092\u6d3b\u304b\u3059\u3053\u3068\u3092\u7406\u7531\u306b, \u5c0f\u6539\u8a02\u3067\u6e08\u3080\u53ef\u80fd\u6027\u304c\u3067\u3066\u304d\u305f\u304b\u3089\u3067\u3042\u308b\u3002<br \/>\n\u305d\u308c\u3067\u306f, \u6b21\u306b\u8a2d\u554f\u3054\u3068\u306b\u898b\u3066\u884c\u3053\u3046\u3002<\/p>\n<p><strong>(1) \u306b\u3064\u3044\u3066<\/strong><br \/>\n\u8eab\u8fd1\u306a\u8a71\u984c\u3068\u6570\u5b66\u306e\u95a2\u9023\u3092\u984c\u6750\u306b\u3057\u3066\u3044\u308b\u304b\u306e\u3088\u3046\u306b\u8003\u3048\u3055\u305b\u3089\u308c\u308b\u554f\u984c\u3067\u3042\u308b\u3002\u4e00\u898b\u3059\u308b\u3068\u554f\u984c\u3092\u89e3\u304f\u3042\u305f\u3063\u3066\u30b9\u30fc\u30d1\u30fc\u30e0\u30fc\u30f3\u306e\u8a71\u306f\u307b\u3068\u3093\u3069\u95a2\u4fc2\u304c\u306a\u304f, \u554f\u984c\u306f\u8981\u3059\u308b\u306b<\/p>\n<p>\u300c\u8996\u76f4\u5f84 \\(\\theta\\) \u5206\u306e\u5186\u3092 500mm \u96e2\u308c\u305f\u4f4d\u7f6e\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u306b\u63cf\u304f\u3068\u3059\u308c\u3070, \u5186\u306e\u76f4\u5f84\u306f\u3044\u304f\u3064\u306b\u306a\u308b\u304b\u300d<\/p>\n<p>\u3068\u3044\u3046\u554f\u984c\u306b\u3059\u304e\u306a\u3044\u3002\u4f55\u3068\u7c21\u5358\u3067\u3064\u307e\u3089\u306a\u3044\u554f\u984c\u3067\u306f\u306a\u3044\u304b \u30fb\u30fb\u30fb \u3057\u304b\u3057, \u3053\u3046\u8003\u3048\u3089\u308c\u308b\u306e\u306f\u6570\u5b66\u306e\u554f\u984c\u3092\u89e3\u304f\u3053\u3068\u306b\u6163\u308c\u3066\u3044\u308b\u4eba\u3067\u3042\u308b\u3002\u8a00\u3044\u65b9\u3092\u5909\u3048\u3088\u3046\u3002\u3053\u306e\u554f\u984c\u306b\u306f\u554f\u984c\u89e3\u6c7a\u306b\u95a2\u4fc2\u306e\u306a\u3044\u60c5\u5831\u3082\u591a\u304f\u6df7\u305c\u3089\u308c\u3066\u3044\u308b\u3002\u3053\u308c\u306f\u65e5\u5e38\u751f\u6d3b\u306b\u3088\u304f\u3042\u308b\u3053\u3068\u3067\u3042\u308b\u304c, \u305d\u3082\u305d\u3082\u79c1\u305f\u3061\u304c\u65e5\u5e38\u751f\u6d3b\u3067\u306e\u3053\u3068\u3067\u6570\u5b66\u3092\u6d3b\u7528\u3059\u308b\u3068\u304d\u306f\u81ea\u5206\u3067\u5fc5\u8981\u306a\u60c5\u5831\u3092\u9078\u3073\u51fa\u3057\u3066\u305d\u308c\u3092\u5fdc\u7528\u3057\u3066\u3044\u308b\u3002\u3053\u308c\u306b\u5bfe\u3057\u3066, \u4eca\u306e\u53d7\u9a13\u554f\u984c\u306f, 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\u305d\u3046\u3067\u306f\u306a\u304f\u3042\u3048\u3066\u8eab\u306e\u56de\u308a\u306e\u51fa\u6765\u4e8b\u3092\u6570\u5b66\u306b\u6d3b\u304b\u3059\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u60c5\u5831\u304b\u3089\u5fc5\u8981\u306a\u60c5\u5831\u3092\u9078\u3073\u51fa\u305b\u308b\u80fd\u529b\u304c\u5fc5\u8981\u3067\u3042\u308b\u3053\u3068\u304c\u3053\u306e\u554f\u984c\u3092\u901a\u3057\u3066\u4f1d\u3048\u305f\u3044\u3053\u3068\u3067\u306f\u306a\u3044\u306e\u304b\u3068\u611f\u3058\u308b\u3002<br \/>\n\u306a\u304a, \u3053\u306e\u554f\u984c\u306b\u3064\u3044\u3066\u306f, \u6587\u79d1\u7701\u5074\u306e\u8aac\u660e\u8005\u304c\u300c\u30b9\u30fc\u30d1\u30fc\u30e0\u30fc\u30f3\u300d\u3092\u984c\u6750\u306b\u3057\u305f\u3053\u3068\u306b\u5927\u5909\u6e80\u8db3\u3057\u305f\u611f\u3058\u3067\u3042\u3063\u305f\u3002<br \/>\n\u3061\u306a\u307f\u306b\u3053\u306e\u554f\u984c\u306f, \u89e3\u304f\u904e\u7a0b\u3092\u805e\u3044\u3066\u3044\u308b\u306e\u3067\u306f\u306a\u304f, \u6700\u5f8c\u306b \\(1000\\tan \\left(\\displaystyle\\frac{\\theta}{2}\\right)&#8217;\\) \u306a\u3069\u3092\u66f8\u304d\u8fbc\u3081\u3070\u6b63\u89e3\u3068\u3044\u3046\u3053\u3068\u3067, \u300c\u6570\u5f0f\u3092\u66f8\u304d\u8fbc\u3080\u300d\u304b\u3089\u300c\u8a18\u8ff0\u554f\u984c\u300d\u306a\u306e\u3060\u305d\u3046\u3060\u3002<\/p>\n<p><strong>(2) \u306b\u3064\u3044\u3066<\/strong><br \/>\n\u7406\u7531\u3092\u8ff0\u3079\u3055\u305b\u308b\u554f\u984c\u3082\u51fa\u984c\u3057\u305f\u3044\u3068\u3044\u3046\u3053\u3068\u3092\u8a00\u3044\u305f\u304b\u3063\u305f\u306e\u3067\u3042\u308d\u3046\u3002\u3082\u3061\u308d\u3093, \u3053\u306e\u89e3\u7b54\u3067\u306f\u4e0d\u5099\u3068\u8a00\u308f\u308c\u304b\u306d\u306a\u3044\u3002\u3053\u308c\u3067\u300c\u7b49\u811a\u53f0\u5f62\u300d\u304c\u8a3c\u660e\u3067\u304d\u305f\u3068\u306f\u601d\u3048\u306a\u3044\u3002\u3057\u304b\u3082, \u89e3\u7b54\u306e\u56f3\u304c\u7406\u89e3\u306b\u82e6\u3057\u3080\u3002\u307e\u305f, \u554f\u984c\u6587\u3067\u3082\u6821\u5ead\u304c\u6c34\u5e73\u3067\u3042\u308b(\u5742\u306b\u306a\u3063\u3066\u3044\u306a\u3044)\u3088\u3046\u306a\u4eee\u5b9a\u3082\u672c\u6765\u306f\u66f8\u304b\u308c\u3066\u3044\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<br \/>\n\u3055\u3066, \u3053\u306e\u3088\u3046\u306a\u70b9\u306f\u304a\u305d\u3089\u304f\u6025\u3044\u3067\u4f5c\u3063\u305f\u306e\u3060\u308d\u3046\u3068\u3044\u3046\u3053\u3068\u3067, \u3053\u308c\u4ee5\u4e0a\u3053\u306e\u554f\u984c\u306e\u51fa\u6765\u4e0d\u51fa\u6765\u3092\u8b70\u8ad6\u3057\u3066\u3082\u610f\u5473\u304c\u306a\u3044\u3002\u3053\u306e\u3088\u3046\u306a\u8a3c\u660e\u554f\u984c\u3082\u51fa\u984c\u3057\u305f\u3044\u3068\u3044\u3046\u610f\u601d\u304c\u308f\u304b\u308c\u3070\u3088\u3044\u3002<br \/>\n\u306a\u304a, 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\u305d\u306e\u70b9\u306f(\u30de\u30b9\u30b3\u30df\u306e\u5831\u9053\u306b\u306f\u306a\u3044\u304c), \u4f1a\u8b70\u3067\u300c\u6570\u5b66 I \u306e\u7bc4\u56f2\u3067\u306f\u306a\u3044\u3068\u3082\u3068\u308c\u308b\u304c, \u51fa\u984c\u306e\u4ed5\u65b9\u3092\u898b\u3066\u307b\u3057\u3044\u300d\u3068\u306e\u8aac\u660e\u304c\u3042\u3063\u305f\u306e\u3067, \u3042\u307e\u308a\u3053\u306e\u70b9\u306f\u7a81\u3063\u8fbc\u307e\u306a\u3044\u65b9\u304c\u3088\u3044\u3002<br \/>\n\u6b21\u306b, \u3053\u306e\u554f\u984c\u306e\u89e3\u7b54\u4f8b\u3067\u306f 13 \u884c\u306b\u308f\u305f\u308b\u8aac\u660e\u3068\u56f3\u304c\u63cf\u3044\u3066\u3042\u308b\u304c, \u3053\u308c\u306f\u3053\u306e\u8a2d\u554f\u3067\u306f\u8981\u6c42\u3057\u3066\u3044\u308b\u3082\u306e\u3067\u306f\u306a\u304f, \u3053\u306e\u554f\u984c\u306e\u5834\u5408\u306f\u7a7a\u6b04\u304c\u7528\u610f\u3055\u308c\u3066\u3044\u3066, \u305d\u3053\u306b \\(\\displaystyle\\frac{\\mbox{AD}}{\\mbox{BC}}=\\displaystyle\\frac{h-g}{h-g-d}\\) \u3092\u57cb\u3081\u308c\u3070\u3088\u3044\u3068\u3044\u3046\u8aac\u660e\u304c\u3042\u3063\u305f\u3002\u300c\u6bd4\u304c\u3069\u306e\u3088\u3046\u306a\u5f0f\u3067\u8868\u3055\u308c\u308b\u304b\u300d\u3068\u3044\u3046\u554f\u3044\u306b\u5bfe\u3057\u3066, \\(\\displaystyle\\frac{\\mbox{AD}}{\\mbox{BC}}\\) \u3092\u9078\u629e\u3059\u308b\u306e\u3082\u554f\u3046\u3053\u3068\u306e\u4e00\u3064\u3067\u3042\u308b\u3068\u601d\u308f\u308c\u308b\u3002<\/p>\n<p>\u6700\u5f8c\u306b, \u8a66\u9a13\u3068\u3044\u3046\u306e\u306f\u300c\u554f\u984c\u306e\u51fa\u984c\u300d\u3068\u300c\u305d\u308c\u3092\u3069\u3046\u63a1\u70b9\u3059\u308b\u304b\u300d\u306e\u30bb\u30c3\u30c8\u3067\u6c7a\u5b9a\u3059\u308b\u3002\u3053\u306e\u3046\u3061\u4eca\u56de\u306f\u524d\u8005\u3092\u793a\u3055\u308c\u305f\u304c, 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[&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,7,4],"tags":[],"class_list":["post-1553","post","type-post","status-publish","format-standard","hentry","category-5","category-7","category-4"],"_links":{"self":[{"href":"https:\/\/math.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1553","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\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/math.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1553"}],"version-history":[{"count":5,"href":"https:\/\/math.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1553\/revisions"}],"predecessor-version":[{"id":1558,"href":"https:\/\/math.co.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/1553\/revisions\/1558"}],"wp:attachment":[{"href":"https:\/\/math.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1553"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/math.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1553"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/math.co.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1553"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}