[{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","@id":"https:\/\/wiki.edu.vn\/jp\/wiki11\/archives\/120129#BlogPosting","mainEntityOfPage":"https:\/\/wiki.edu.vn\/jp\/wiki11\/archives\/120129","headline":"\u4e09\u89d2\u9310 – Wikipedia","name":"\u4e09\u89d2\u9310 – Wikipedia","description":"\u300cTetrahedron\u300d\u306f\u3053\u306e\u9805\u76ee\u3078\u8ee2\u9001\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5b66\u8853\u96d1\u8a8c\u306b\u3064\u3044\u3066\u306f\u300cTetrahedron (\u96d1\u8a8c)\u300d\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002 \u3053\u306e\u8a18\u4e8b\u306f\u691c\u8a3c\u53ef\u80fd\u306a\u53c2\u8003\u6587\u732e\u3084\u51fa\u5178\u304c\u5168\u304f\u793a\u3055\u308c\u3066\u3044\u306a\u3044\u304b\u3001\u4e0d\u5341\u5206\u3067\u3059\u3002\u51fa\u5178\u3092\u8ffd\u52a0\u3057\u3066\u8a18\u4e8b\u306e\u4fe1\u983c\u6027\u5411\u4e0a\u306b\u3054\u5354\u529b\u304f\u3060\u3055\u3044\u3002\u51fa\u5178\u691c\u7d22?:\u00a0“\u4e09\u89d2\u9310”\u00a0\u2013\u00a0\u30cb\u30e5\u30fc\u30b9\u00a0\u00b7 \u66f8\u7c4d\u00a0\u00b7 \u30b9\u30ab\u30e9\u30fc\u00a0\u00b7 CiNii\u00a0\u00b7 J-STAGE\u00a0\u00b7 NDL\u00a0\u00b7 dlib.jp\u00a0\u00b7 \u30b8\u30e3\u30d1\u30f3\u30b5\u30fc\u30c1\u00a0\u00b7 TWL\uff082016\u5e7411\u6708\uff09 \u4e09\u89d2\u9310\uff08\u3055\u3093\u304b\u304f\u3059\u3044\u3001\u82f1: triangular pyramid, trigonal pyramid\uff09\u3084\u56db\u9762\u4f53\uff08\u3057\u3081\u3093\u305f\u3044\u3001\u82f1: tetrahedron\uff09\u3068\u306f\u3001\u5782\u76f4\u65ad\u9762\u306b\u4e09\u89d2\u5f62\u3092\u6301\u3064\u9310\u4f53\u306e\u3053\u3068\u3067\u3042\u308b\u3002\u8fba6\u672c\u3001\u9802\u70b94\u3064\u304b\u3089\u306a\u308b\u3002\u9762\u306e\u6570\u306f\u7acb\u4f53\u306b\u65bc\u3051\u308b\u6700\u5c0f\u9650\u754c\u306e4\u3064\u3067\u3042\u308b\u3053\u3068\u304b\u3089\u56db\u9762\u4f53\u3068\u3082\u547c\u3076\u3002\u4e09\u89d2\u9310\u306f\u3001\u6700\u5c0f\u306e\u9802\u70b9\u6570\u3067\u69cb\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u7acb\u4f53\u3067\u3042\u308b\u3068\u8868\u73fe\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u3002 \u5e7e\u4f55\u5b66\u306b\u65bc\u3044\u3066\u3001\u89d2\u9310\u306e\u5074\u9762\u306f\u5168\u3066\u4e09\u89d2\u5f62\u3067\u3042\u308b\u304c\u3001\u3053\u306e\u5834\u5408\u306f\u5e95\u9762\u3082\u4e09\u89d2\u5f62\u3067\u3042\u308b\u304b\u3089\u3001\u4e09\u89d2\u9310\u306f\u5168\u3066\u306e\u9762\u304c\u4e09\u89d2\u5f62\u3067\u3042\u308b\u7acb\u4f53\u3067\u3042\u308b\u3002 Table of","datePublished":"2022-03-19","dateModified":"2022-03-19","author":{"@type":"Person","@id":"https:\/\/wiki.edu.vn\/jp\/wiki11\/archives\/author\/lordneo#Person","name":"lordneo","url":"https:\/\/wiki.edu.vn\/jp\/wiki11\/archives\/author\/lordneo","image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/c9645c498c9701c88b89b8537773dd7c?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/c9645c498c9701c88b89b8537773dd7c?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"Enzyklop\u00e4die","logo":{"@type":"ImageObject","@id":"https:\/\/wiki.edu.vn\/wiki4\/wp-content\/uploads\/2023\/08\/download.jpg","url":"https:\/\/wiki.edu.vn\/wiki4\/wp-content\/uploads\/2023\/08\/download.jpg","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/5\/5f\/Disambig_gray.svg\/25px-Disambig_gray.svg.png","url":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/5\/5f\/Disambig_gray.svg\/25px-Disambig_gray.svg.png","height":"19","width":"25"},"url":"https:\/\/wiki.edu.vn\/jp\/wiki11\/archives\/120129","about":["Wiki"],"wordCount":1958,"articleBody":"\u300cTetrahedron\u300d\u306f\u3053\u306e\u9805\u76ee\u3078\u8ee2\u9001\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u5b66\u8853\u96d1\u8a8c\u306b\u3064\u3044\u3066\u306f\u300cTetrahedron (\u96d1\u8a8c)\u300d\u3092\u3054\u89a7\u304f\u3060\u3055\u3044\u3002\u3053\u306e\u8a18\u4e8b\u306f\u691c\u8a3c\u53ef\u80fd\u306a\u53c2\u8003\u6587\u732e\u3084\u51fa\u5178\u304c\u5168\u304f\u793a\u3055\u308c\u3066\u3044\u306a\u3044\u304b\u3001\u4e0d\u5341\u5206\u3067\u3059\u3002\u51fa\u5178\u3092\u8ffd\u52a0\u3057\u3066\u8a18\u4e8b\u306e\u4fe1\u983c\u6027\u5411\u4e0a\u306b\u3054\u5354\u529b\u304f\u3060\u3055\u3044\u3002\u51fa\u5178\u691c\u7d22?:\u00a0“\u4e09\u89d2\u9310”\u00a0\u2013\u00a0\u30cb\u30e5\u30fc\u30b9\u00a0\u00b7 \u66f8\u7c4d\u00a0\u00b7 \u30b9\u30ab\u30e9\u30fc\u00a0\u00b7 CiNii\u00a0\u00b7 J-STAGE\u00a0\u00b7 NDL\u00a0\u00b7 dlib.jp\u00a0\u00b7 \u30b8\u30e3\u30d1\u30f3\u30b5\u30fc\u30c1\u00a0\u00b7 TWL\uff082016\u5e7411\u6708\uff09  \u4e09\u89d2\u9310\uff08\u3055\u3093\u304b\u304f\u3059\u3044\u3001\u82f1: triangular pyramid, trigonal pyramid\uff09\u3084\u56db\u9762\u4f53\uff08\u3057\u3081\u3093\u305f\u3044\u3001\u82f1: tetrahedron\uff09\u3068\u306f\u3001\u5782\u76f4\u65ad\u9762\u306b\u4e09\u89d2\u5f62\u3092\u6301\u3064\u9310\u4f53\u306e\u3053\u3068\u3067\u3042\u308b\u3002\u8fba6\u672c\u3001\u9802\u70b94\u3064\u304b\u3089\u306a\u308b\u3002\u9762\u306e\u6570\u306f\u7acb\u4f53\u306b\u65bc\u3051\u308b\u6700\u5c0f\u9650\u754c\u306e4\u3064\u3067\u3042\u308b\u3053\u3068\u304b\u3089\u56db\u9762\u4f53\u3068\u3082\u547c\u3076\u3002\u4e09\u89d2\u9310\u306f\u3001\u6700\u5c0f\u306e\u9802\u70b9\u6570\u3067\u69cb\u6210\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u7acb\u4f53\u3067\u3042\u308b\u3068\u8868\u73fe\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u308b\u3002  \u5e7e\u4f55\u5b66\u306b\u65bc\u3044\u3066\u3001\u89d2\u9310\u306e\u5074\u9762\u306f\u5168\u3066\u4e09\u89d2\u5f62\u3067\u3042\u308b\u304c\u3001\u3053\u306e\u5834\u5408\u306f\u5e95\u9762\u3082\u4e09\u89d2\u5f62\u3067\u3042\u308b\u304b\u3089\u3001\u4e09\u89d2\u9310\u306f\u5168\u3066\u306e\u9762\u304c\u4e09\u89d2\u5f62\u3067\u3042\u308b\u7acb\u4f53\u3067\u3042\u308b\u3002Table of Contents\u6b63\u4e09\u89d2\u9310[\u7de8\u96c6]\u6b63\u56db\u9762\u4f53[\u7de8\u96c6]\u591a\u9762\u4f53\u5206\u5272[\u7de8\u96c6]\u4e00\u822c\u6b21\u5143\u3078\u306e\u62e1\u5f35[\u7de8\u96c6]\u95a2\u9023\u9805\u76ee[\u7de8\u96c6]\u5916\u90e8\u30ea\u30f3\u30af[\u7de8\u96c6]\u6b63\u4e09\u89d2\u9310[\u7de8\u96c6]\u5e95\u9762\u304c\u6b63\u4e09\u89d2\u5f62\u3067\u3042\u308b\u5834\u5408\u3001\u6b63\u4e09\u89d2\u9310\uff08\u305b\u3044\u3055\u3093\u304b\u304f\u3059\u3044\u3001regular triangular pyramid\uff09\u3068\u3044\u3046\u3002  \u6b63\u56db\u9762\u4f53[\u7de8\u96c6]\u5e95\u9762\u3060\u3051\u3067\u306a\u304f\u5168\u3066\u306e\u9762\u304c\u6b63\u4e09\u89d2\u5f62\u3067\u3042\u308b\u3088\u3046\u306a\u4e09\u89d2\u9310\u3092\u3001\u6b63\u56db\u9762\u4f53\uff08\u305b\u3044\u3057\u3081\u3093\u305f\u3044\u3001regular tetrahedron\uff09\u3068\u3044\u3046\u3002\u5168\u3066\u306e\u8fba\u306e\u9577\u3055\u304c\u7b49\u3057\u3044\u3002\u6b63\u56db\u9762\u4f53\u306f\u3001\u30c7\u30eb\u30bf\u591a\u9762\u4f53\u306e\u4e00\u7a2e\u3067\u3042\u308b\u3002\u591a\u9762\u4f53\u5206\u5272[\u7de8\u96c6]\u9762\u7a4d\u306e\u7b49\u3057\u3044\u4e09\u89d2\u5f62\u3068\u56db\u89d2\u5f62\u306f\u3001\u9069\u5f53\u306b\u591a\u89d2\u5f62\u306b\u6709\u9650\u56de\u5206\u5272\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u5408\u540c\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u304c\u3001\u4e09\u89d2\u9310\u3068\u56db\u89d2\u9310\u306f\u3001\u305f\u3068\u3048\u4f53\u7a4d\u304c\u7b49\u3057\u304f\u3068\u3082\u591a\u9762\u4f53\u306b\u5206\u5272\u3057\u3066\u5408\u540c\u306b\u3059\u308b\u3053\u3068\u306f\u7121\u7406\u3067\u3042\u308b\u3002\u3053\u308c\u306f\u3001\u30dc\u30e4\u30a4\u306e\u5b9a\u7406\u304c 3 \u6b21\u5143\u7a7a\u9593\u3067\u306f\u4e00\u822c\u306b\u6210\u7acb\u3057\u306a\u3044\u3053\u3068\u3092\u793a\u3059\u3002\u3053\u3046\u3057\u3066 3 \u6b21\u5143\u7a7a\u9593\u306b\u65bc\u3051\u308b\u30dc\u30e4\u30a4\u306e\u5b9a\u7406\uff08\u305d\u308c\u306f\u30d2\u30eb\u30d9\u30eb\u30c8\u306e\u7b2c\u4e09\u306e\u554f\u984c\u3067\u3082\u3042\u3063\u305f\uff09\u304c\u5426\u5b9a\u7684\u306b\u89e3\u304b\u308c\u305f\u3002\u305f\u3060\u3057\u3001\u5206\u5272\u306e\u4ed5\u65b9\u3092\u591a\u9762\u4f53\u306b\u9650\u3089\u306a\u3051\u308c\u3070\u4f53\u7a4d\u304c\u7b49\u3057\u304f\u306a\u304f\u3066\u3082\u6709\u754c\u306a\u56f3\u5f62\u306f\u5408\u540c\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\uff08\u30d0\u30ca\u30c3\u30cf\uff1d\u30bf\u30eb\u30b9\u30ad\u30fc\u306e\u30d1\u30e9\u30c9\u30c3\u30af\u30b9\uff09\u3002\u4e09\u89d2\u9310\u306e\u4f53\u7a4d\u306f  V=13A0h{displaystyle V={frac {1}{3}}A_{0},h,}\u3067\u3042\u308b\u3002A0{displaystyle A_{0}} \u304c\u5e95\u9762\u306e\u9762\u7a4d\u3001h{displaystyle h} \u304c\u9ad8\u3055\u3067\u3042\u308b\u3002\u9802\u70b9\u304c a = (a1, a2, a3),b = (b1, b2, b3),c = (c1, c2, c3),d = (d1, d2, d3) \u306e\u5834\u5408\u3001\u4f53\u7a4d\u306fV=|det(a\u2212d,b\u2212d,c\u2212d)|6{displaystyle V={frac {|det(mathbf {a} -mathbf {d} ,mathbf {b} -mathbf {d} ,mathbf {c} -mathbf {d} )|}{6}}}V=|(a\u2212d)\u22c5((b\u2212d)\u00d7(c\u2212d))|6{displaystyle V={frac {|(mathbf {a} -mathbf {d} )cdot ((mathbf {b} -mathbf {d} )times (mathbf {c} -mathbf {d} ))|}{6}}}\u3067\u3042\u308b\u3002\u4e00\u822c\u6b21\u5143\u3078\u306e\u62e1\u5f35[\u7de8\u96c6]\u4e00\u822c\u6b21\u5143\u30e6\u30fc\u30af\u30ea\u30c3\u30c9\u7a7a\u9593 Rn \u306b\u3082\u3001\u6700\u5c0f\u306e\u9802\u70b9\u3067\u69cb\u6210\u3067\u304d\u308b\u7acb\u4f53\u306f\u5b58\u5728\u3059\u308b\u3002\u305d\u306e\u3088\u3046\u306a\u7acb\u4f53\u3092\u7dcf\u79f0\u3057\u3066\u5358\u4f53\u3068\u8a00\u3046\u3002n \u6b21\u5143\u7a7a\u9593\u306e\u5358\u4f53\u306f n+1 \u500b\u306e\u9802\u70b9\u3092\u6301\u3064\u3002\u95a2\u9023\u9805\u76ee[\u7de8\u96c6]\u30a6\u30a3\u30ad\u30e1\u30c7\u30a3\u30a2\u30fb\u30b3\u30e2\u30f3\u30ba\u306b\u306f\u3001\u4e09\u89d2\u9310\u306b\u95a2\u9023\u3059\u308b\u30ab\u30c6\u30b4\u30ea\u304c\u3042\u308a\u307e\u3059\u3002\u5916\u90e8\u30ea\u30f3\u30af[\u7de8\u96c6]"},{"@context":"http:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"https:\/\/wiki.edu.vn\/jp\/wiki11\/#breadcrumbitem","name":"Enzyklop\u00e4die"}},{"@type":"ListItem","position":2,"item":{"@id":"https:\/\/wiki.edu.vn\/jp\/wiki11\/archives\/120129#breadcrumbitem","name":"\u4e09\u89d2\u9310 – Wikipedia"}}]}]