[{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","@id":"https:\/\/wiki.edu.vn\/jp\/wiki4\/archives\/1683#BlogPosting","mainEntityOfPage":"https:\/\/wiki.edu.vn\/jp\/wiki4\/archives\/1683","headline":"\u56db\u5341\u516b\u89d2\u5f62 – Wikipedia","name":"\u56db\u5341\u516b\u89d2\u5f62 – Wikipedia","description":"\u6b63\u56db\u5341\u516b\u89d2\u5f62 \u56db\u5341\u516b\u89d2\u5f62\uff08\u3088\u3093\u3058\u3085\u3046\u306f\u3061\u304b\u304f\u3051\u3044\u3001\u3088\u3093\u3058\u3085\u3046\u306f\u3061\u304b\u3063\u3051\u3044\u3001tetracontaoctagon\uff09\u306f\u3001\u591a\u89d2\u5f62\u306e\u4e00\u3064\u3067\u300148\u672c\u306e\u8fba\u306848\u500b\u306e\u9802\u70b9\u3092\u6301\u3064\u56f3\u5f62\u3067\u3042\u308b\u3002\u5185\u89d2\u306e\u548c\u306f8280\u00b0\u3001\u5bfe\u89d2\u7dda\u306e\u672c\u6570\u306f1080\u672c\u3067\u3042\u308b\u3002 \u76ee\u6b21 1 \u6b63\u56db\u5341\u516b\u89d2\u5f62 1.1 \u6b63\u56db\u5341\u516b\u89d2\u5f62\u306e\u4f5c\u56f3 2 \u811a\u6ce8 3 \u95a2\u9023\u9805\u76ee 4 \u5916\u90e8\u30ea\u30f3\u30af \u6b63\u56db\u5341\u516b\u89d2\u5f62[\u7de8\u96c6] \u6b63\u56db\u5341\u516b\u89d2\u5f62\u306b\u304a\u3044\u3066\u306f\u3001\u4e2d\u5fc3\u89d2\u3068\u5916\u89d2\u306f7.5\u00b0\u3067\u3001\u5185\u89d2\u306f172.5\u00b0\u3068\u306a\u308b\u3002\u4e00\u8fba\u306e\u9577\u3055\u304c a \u306e\u6b63\u56db\u5341\u516b\u89d2\u5f62\u306e\u9762\u7a4d S \u306f S=484a2cot\u2061\u03c048\u2243183.08462a2{displaystyle","datePublished":"2019-01-31","dateModified":"2019-01-31","author":{"@type":"Person","@id":"https:\/\/wiki.edu.vn\/jp\/wiki4\/archives\/author\/lordneo#Person","name":"lordneo","url":"https:\/\/wiki.edu.vn\/jp\/wiki4\/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\/1\/17\/Regular_polygon_48.svg\/300px-Regular_polygon_48.svg.png","url":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/1\/17\/Regular_polygon_48.svg\/300px-Regular_polygon_48.svg.png","height":"300","width":"300"},"url":"https:\/\/wiki.edu.vn\/jp\/wiki4\/archives\/1683","wordCount":3619,"articleBody":"  \u6b63\u56db\u5341\u516b\u89d2\u5f62\u56db\u5341\u516b\u89d2\u5f62\uff08\u3088\u3093\u3058\u3085\u3046\u306f\u3061\u304b\u304f\u3051\u3044\u3001\u3088\u3093\u3058\u3085\u3046\u306f\u3061\u304b\u3063\u3051\u3044\u3001tetracontaoctagon\uff09\u306f\u3001\u591a\u89d2\u5f62\u306e\u4e00\u3064\u3067\u300148\u672c\u306e\u8fba\u306848\u500b\u306e\u9802\u70b9\u3092\u6301\u3064\u56f3\u5f62\u3067\u3042\u308b\u3002\u5185\u89d2\u306e\u548c\u306f8280\u00b0\u3001\u5bfe\u89d2\u7dda\u306e\u672c\u6570\u306f1080\u672c\u3067\u3042\u308b\u3002\u76ee\u6b211 \u6b63\u56db\u5341\u516b\u89d2\u5f621.1 \u6b63\u56db\u5341\u516b\u89d2\u5f62\u306e\u4f5c\u56f32 \u811a\u6ce83 \u95a2\u9023\u9805\u76ee4 \u5916\u90e8\u30ea\u30f3\u30af\u6b63\u56db\u5341\u516b\u89d2\u5f62[\u7de8\u96c6]\u6b63\u56db\u5341\u516b\u89d2\u5f62\u306b\u304a\u3044\u3066\u306f\u3001\u4e2d\u5fc3\u89d2\u3068\u5916\u89d2\u306f7.5\u00b0\u3067\u3001\u5185\u89d2\u306f172.5\u00b0\u3068\u306a\u308b\u3002\u4e00\u8fba\u306e\u9577\u3055\u304c a \u306e\u6b63\u56db\u5341\u516b\u89d2\u5f62\u306e\u9762\u7a4d S \u306fS=484a2cot\u2061\u03c048\u2243183.08462a2{displaystyle S={frac {48}{4}}a^{2}cot {frac {pi }{48}}simeq 183.08462a^{2}}S=12a2cot\u2061\u03c048=12a2(2+3+8+43+16+83+2104+603)=12a2(2+3+(6+2)+16+83+102+66)=12a2(2+3+(6+2)+24+23+26+153).{displaystyle {begin{aligned}S&=12a^{2}cot {frac {pi }{48}}&=12a^{2}left(2+{sqrt {3}}+{sqrt {8+4{sqrt {3}}}}+{sqrt {16+8{sqrt {3}}+2{sqrt {104+60{sqrt {3}}}}}}right)&=12a^{2}left(2+{sqrt {3}}+({sqrt {6}}+{sqrt {2}})+{sqrt {16+8{sqrt {3}}+10{sqrt {2}}+6{sqrt {6}}}}right)&=12a^{2}left(2+{sqrt {3}}+({sqrt {6}}+{sqrt {2}})+2{sqrt {4+2{sqrt {3}}+{sqrt {26+15{sqrt {3}}}}}}right).end{aligned}}}cos\u2061(2\u03c0\/48){displaystyle cos(2pi \/48)}\u3092\u6709\u7406\u6570\u3068\u5e73\u65b9\u6839\u3067\u8868\u3059\u3053\u3068\u304c\u53ef\u80fd\u3067\u3042\u308b\u3002cos\u20612\u03c048=cos\u2061\u03c024=cos\u2061(7.5\u2218)=122+2+3=148+26+22{displaystyle cos {frac {2pi }{48}}=cos {frac {pi }{24}}=cos left(7.5^{circ }right)={frac {1}{2}}{sqrt {2+{sqrt {2+{sqrt {3}}}}}}={frac {1}{4}}{sqrt {8+2{sqrt {6}}+2{sqrt {2}}}}}\u6b63\u56db\u5341\u516b\u89d2\u5f62\u306e\u4f5c\u56f3[\u7de8\u96c6]\u6b63\u56db\u5341\u516b\u89d2\u5f62\u306f\u5b9a\u898f\u3068\u30b3\u30f3\u30d1\u30b9\u306b\u3088\u308b\u4f5c\u56f3\u304c\u53ef\u80fd\u306a\u56f3\u5f62\u3067\u3042\u308b\u3002[\u811a\u6ce8\u306e\u4f7f\u3044\u65b9]\u95a2\u9023\u9805\u76ee[\u7de8\u96c6]\u516d\u89d2\u5f62\u5341\u4e8c\u89d2\u5f62\u4e8c\u5341\u56db\u89d2\u5f62\u5916\u90e8\u30ea\u30f3\u30af[\u7de8\u96c6]\u30a6\u30a3\u30ad\u30e1\u30c7\u30a3\u30a2\u30fb\u30b3\u30e2\u30f3\u30ba\u306b\u306f\u3001\u56db\u5341\u516b\u89d2\u5f62\u306b\u95a2\u9023\u3059\u308b\u30ab\u30c6\u30b4\u30ea\u304c\u3042\u308a\u307e\u3059\u3002\u30dd\u30fc\u30bf\u30eb\u00a0\u6570\u5b66\u8868\u8a71\u7de8\u6b74\u591a\u89d2\u5f62\u8fba\u306e\u6570: 0\u201310\u96f6\u89d2\u5f62\uff08\u4e2d\u56fd\u8a9e\u7248\uff09\u4e00\u89d2\u5f62\u4e8c\u89d2\u5f62\u4e09\u89d2\u5f62\u6b63\u4e09\u89d2\u5f62\u4e8c\u7b49\u8fba\u4e09\u89d2\u5f62\u9ec4\u91d1\u4e09\u89d2\u5f62\u4e0d\u7b49\u8fba\u4e09\u89d2\u5f62\u76f4\u89d2\u4e09\u89d2\u5f62\u76f4\u89d2\u4e8c\u7b49\u8fba\u4e09\u89d2\u5f62\u30b1\u30d7\u30e9\u30fc\u4e09\u89d2\u5f62\u92ed\u89d2\u4e09\u89d2\u5f62\u920d\u89d2\u4e09\u89d2\u5f62\u56db\u89d2\u5f62\u6b63\u65b9\u5f62\u9577\u65b9\u5f62\u9ec4\u91d1\u9577\u65b9\u5f62\u83f1\u5f62\u5e73\u884c\u56db\u8fba\u5f62\u51e7\u5f62\u76f4\u89d2\u51e7\u5f62\uff08\u82f1\u8a9e\u7248\uff09\u53f0\u5f62\u7b49\u811a\u53f0\u5f62\u76f4\u89d2\u53f0\u5f62\u5186\u306b\u5916\u63a5\u3059\u308b\u53f0\u5f62\uff08\u82f1\u8a9e\u7248\uff09\u53cc\u5fc3\u56db\u89d2\u5f62\u5186\u306b\u5185\u63a5\u3059\u308b\u56db\u89d2\u5f62\u5186\u306b\u5916\u63a5\u3059\u308b\u56db\u89d2\u5f62\uff08\u82f1\u8a9e\u7248\uff09\u7b49\u5bfe\u89d2\u7dda\u56db\u89d2\u5f62\uff08\u82f1\u8a9e\u7248\uff09\u76f4\u4ea4\u5bfe\u89d2\u7dda\u56db\u89d2\u5f62\u508d\u5fc3\u56db\u8fba\u5f62\uff08\u82f1\u8a9e\u7248\uff09\u51f9\u56db\u89d2\u5f62\u4e94\u89d2\u5f62\u6b63\u4e94\u89d2\u5f62\u4e94\u7b49\u8fba\u4e94\u89d2\u5f62\uff08\u82f1\u8a9e\u7248\uff09\u5186\u306b\u5185\u63a5\u3059\u308b\u4e94\u89d2\u5f62\u30ed\u30d3\u30f3\u30b9\u306e\u4e94\u89d2\u5f62\uff08\u82f1\u8a9e\u7248\uff09\u5186\u306b\u5916\u63a5\u3059\u308b\u4e94\u89d2\u5f62\u76f4\u89d2\u4e94\u89d2\u5f62\u4e94\u7b49\u89d2\u4e94\u89d2\u5f62\u51f9\u4e94\u89d2\u5f62\u516d\u89d2\u5f62\u6b63\u516d\u89d2\u5f62\u5186\u306b\u5185\u63a5\u3059\u308b\u516d\u89d2\u5f62\u5186\u306b\u5916\u63a5\u3059\u308b\u516d\u89d2\u5f62\u30ec\u30e2\u30a4\u30cd\u306e\u516d\u89d2\u5f62\uff08\u82f1\u8a9e\u7248\uff09\u4e03\u89d2\u5f62\u516b\u89d2\u5f62\u4e5d\u89d2\u5f62\u5341\u89d2\u5f62\u8fba\u306e\u6570: 11\u201320\u5341\u4e00\u89d2\u5f62\u5341\u4e8c\u89d2\u5f62\u5341\u4e09\u89d2\u5f62\u5341\u56db\u89d2\u5f62\u5341\u4e94\u89d2\u5f62\u5341\u516d\u89d2\u5f62\u5341\u4e03\u89d2\u5f62\u5341\u516b\u89d2\u5f62\u5341\u4e5d\u89d2\u5f62\u4e8c\u5341\u89d2\u5f62\u8fba\u306e\u6570: 21\u201330\u4e8c\u5341\u4e00\u89d2\u5f62\u4e8c\u5341\u4e8c\u89d2\u5f62\u4e8c\u5341\u4e09\u89d2\u5f62\u4e8c\u5341\u56db\u89d2\u5f62\u4e8c\u5341\u4e94\u89d2\u5f62\u4e8c\u5341\u516d\u89d2\u5f62\u4e8c\u5341\u4e03\u89d2\u5f62\u4e8c\u5341\u516b\u89d2\u5f62\u4e8c\u5341\u4e5d\u89d2\u5f62\u4e09\u5341\u89d2\u5f62\u8fba\u306e\u6570: 31\u201340\u4e09\u5341\u4e00\u89d2\u5f62\u4e09\u5341\u4e8c\u89d2\u5f62\u4e09\u5341\u4e09\u89d2\u5f62\u4e09\u5341\u56db\u89d2\u5f62\u4e09\u5341\u4e94\u89d2\u5f62\u4e09\u5341\u516d\u89d2\u5f62\u4e09\u5341\u4e03\u89d2\u5f62\u4e09\u5341\u516b\u89d2\u5f62\u4e09\u5341\u4e5d\u89d2\u5f62\u56db\u5341\u89d2\u5f62\u8fba\u306e\u6570: 41\u201350\u56db\u5341\u4e00\u89d2\u5f62\u56db\u5341\u4e8c\u89d2\u5f62\u56db\u5341\u4e09\u89d2\u5f62\u56db\u5341\u56db\u89d2\u5f62\u56db\u5341\u4e94\u89d2\u5f62\u56db\u5341\u516d\u89d2\u5f62\u56db\u5341\u4e03\u89d2\u5f62\u56db\u5341\u516b\u89d2\u5f62\u56db\u5341\u4e5d\u89d2\u5f62\u4e94\u5341\u89d2\u5f62\u8fba\u306e\u6570: 51\u201370\uff08selected\uff09\u4e94\u5341\u4e00\u89d2\u5f62\u4e94\u5341\u4e8c\u89d2\u5f62\u4e94\u5341\u56db\u89d2\u5f62\u4e94\u5341\u516d\u89d2\u5f62\u4e94\u5341\u4e03\u89d2\u5f62\u516d\u5341\u89d2\u5f62\u516d\u5341\u4e09\u89d2\u5f62\u516d\u5341\u56db\u89d2\u5f62\u516d\u5341\u4e94\u89d2\u5f62\u516d\u5341\u516b\u89d2\u5f62\u4e03\u5341\u89d2\u5f62\u8fba\u306e\u6570: 71\u2013100\uff08selected\uff09\u4e03\u5341\u4e8c\u89d2\u5f62\u4e03\u5341\u4e09\u89d2\u5f62\u4e03\u5341\u516b\u89d2\u5f62\u516b\u5341\u89d2\u5f62\u516b\u5341\u4e00\u89d2\u5f62\u516b\u5341\u56db\u89d2\u5f62\u516b\u5341\u4e94\u89d2\u5f62\u4e5d\u5341\u89d2\u5f62\u4e5d\u5341\u516d\u89d2\u5f62\u4e5d\u5341\u4e03\u89d2\u5f62\u767e\u89d2\u5f62\u8fba\u306e\u6570: 101\u2013\u221e\uff08selected\uff09102\u89d2\u5f62108\u89d2\u5f62109\u89d2\u5f62120\u89d2\u5f62128\u89d2\u5f62144\u89d2\u5f62180\u89d2\u5f62\u4e8c\u767e\u89d2\u5f62240\u89d2\u5f62255\u89d2\u5f62256\u89d2\u5f62257\u89d2\u5f62\u4e09\u767e\u89d2\u5f62360\u89d2\u5f62\u56db\u767e\u89d2\u5f62\u4e94\u767e\u89d2\u5f62\u516d\u767e\u89d2\u5f62\u4e03\u767e\u89d2\u5f62\uff08\u30d5\u30e9\u30f3\u30b9\u8a9e\u7248\uff09720\u89d2\u5f62\u516b\u767e\u89d2\u5f62\uff08\u30d5\u30e9\u30f3\u30b9\u8a9e\u7248\uff09\u4e5d\u767e\u89d2\u5f62\uff08\u30d5\u30e9\u30f3\u30b9\u8a9e\u7248\uff09\u5343\u89d2\u5f62\u4e07\u89d2\u5f6265,537\u89d2\u5f621,000,000\u89d2\u5f624,294,967,295\u89d2\u5f62\u7121\u9650\u89d2\u5f62\uff08\u82f1\u8a9e\u7248\uff09\u661f\u578b\u591a\u89d2\u5f62\uff08\u8fba\u306e\u6570: 5\u201312\uff09\u4e94\u8292\u661f\u516d\u8292\u661f\u4e03\u8292\u661f\u516b\u8292\u661f\u4e5d\u8292\u661f\u5341\u8292\u661f\u5341\u4e00\u8292\u661f\u5341\u4e8c\u8292\u661f\u7121\u9650\u8292\u661f\uff08\u4e2d\u56fd\u8a9e\u7248\uff09\u305d\u306e\u4ed6\u6b63\u591a\u89d2\u5f62\u661f\u578b\u6b63\u591a\u89d2\u5f62\u51f8\u591a\u89d2\u5f62\u51f9\u591a\u89d2\u5f62\u5358\u7d14\u591a\u89d2\u5f62\uff08\u82f1\u8a9e\u7248\uff09\u7b49\u8fba\u591a\u89d2\u5f62\uff08\u82f1\u8a9e\u7248\uff09\u7b49\u89d2\u591a\u89d2\u5f62\uff08\u82f1\u8a9e\u7248\uff09\u540c\u8fba\u56f3\u5f62\uff08\u82f1\u8a9e\u7248\uff09\u540c\u89d2\u56f3\u5f62\uff08\u82f1\u8a9e\u7248\uff09\u5186\u5185\u63a5\u591a\u89d2\u5f62\u5186\u5916\u63a5\u591a\u89d2\u5f62\u975e\u5e73\u9762\u591a\u89d2\u5f62\uff08\u82f1\u8a9e\u7248\uff09\u975e\u5e73\u9762\u7121\u9650\u89d2\u5f62\uff08\u82f1\u8a9e\u7248\uff09\u64ec\u4e09\u89d2\u5f62\uff08\u82f1\u8a9e\u7248\uff09\u64ec\u591a\u89d2\u5f62\uff08\u4e2d\u56fd\u8a9e\u7248\uff09\u4e00\u89a7\u30ab\u30c6\u30b4\u30ea.mw-parser-output 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