\u6570\u5b66\u516c\u5f0f\u662f\u4eba\u4eec\u5728\u7814\u7a76\u81ea\u7136\u754c\u7269\u4e0e\u7269\u4e4b\u95f4\u65f6\u53d1\u73b0\u7684\u4e00\u4e9b\u8054\u7cfb\uff0c\u5e76\u901a\u8fc7\u4e00\u5b9a\u7684\u65b9\u5f0f\u8868\u8fbe\u51fa\u6765\u7684\u4e00\u79cd\u8868\u8fbe\u65b9\u6cd5\u3002\u662f\u8868\u5f81\u81ea\u7136\u754c\u4e0d\u540c\u4e8b\u7269\u4e4b\u6570\u91cf\u4e4b\u95f4\u7684\u6216\u7b49\u6216\u4e0d\u7b49\u7684\u8054\u7cfb\uff0c\u5b83\u786e\u5207\u7684\u53cd\u6620\u4e86\u4e8b\u7269\u5185\u90e8\u548c\u5916\u90e8\u7684\u5173\u7cfb\uff0c\u5176\u4e2d\u6b63n\u8fb9\u5f62\u7684\u5185\u89d2\u548c\u516c\u5f0f\u662f\u4ec0\u4e48\u5462\uff1f<\/p>\n
\u6b63n\u8fb9\u5f62\u7684\u5185\u89d2\u548c\u516c\u5f0f\uff1a<\/p>\n
\uff08n\uff0d2\uff09\u00d7180\u00b0\uff08n\u5927\u4e8e\u7b49\u4e8e3\u4e14n\u4e3a\u6574\u6570\uff09\uff0c\u5219\u6b63\u591a\u8fb9\u5f62\u5404\u5185\u89d2\u5ea6\u6570\u4e3a\uff1a\uff08n \uff0d 2\uff09\u00d7180\u00b0\u00f7n\u3002\u591a\u8fb9\u5f62\u5185\u89d2\u548c\u5b9a\u7406\u7684\u63a8\u5bfc\u53ca\u8fd0\u7528\u65b9\u7a0b\u7684\u601d\u60f3\u6765\u89e3\u51b3\u591a\u8fb9\u5f62\u5185\u3001\u5916\u89d2\u7684\u8ba1\u7b97\u3002<\/p>\n
\u6b63n\u8fb9\u5f62\u7684\u5185\u89d2\u548c\u516c\u5f0f\u63a8\u8bba\uff1a<\/p>\n
n\u8fb9\u5f62\u7684\u5185\u89d2\u548c\u516c\u5f0f\u4e3a\uff08n\uff0d2\uff09\u00d7180\u00b0\uff08n\u5927\u4e8e\u7b49\u4e8e3\u4e14n\u4e3a\u6574\u6570\uff09\u3002<\/p>\n
\u4efb\u610f\u6b63\u591a\u8fb9\u5f62\u7684\u5916\u89d2\u548c=360\u00b0<\/p>\n
\u6b63\u591a\u8fb9\u5f62\u4efb\u610f\u4e24\u6761\u76f8\u90bb\u8fb9\u8fde\u7ebf\u6240\u6784\u6210\u7684\u4e09\u89d2\u5f62\u662f\u7b49\u8170\u4e09\u89d2\u5f62\u3002<\/p>\n
\u591a\u8fb9\u5f62\u5185\u89d2\u548c\u5b9a\u7406\u8bc1\u660e\uff0c\u5728n\u8fb9\u5f62\u5185\u4efb\u53d6\u4e00\u70b9O\uff0c\u8fde\u7ed3O\u4e0e\u5404\u4e2a\u9876\u70b9\uff0c\u628an\u8fb9\u5f62\u5206\u6210n\u4e2a\u4e09\u89d2\u5f62\u3002\u56e0\u4e3a\u8fd9n\u4e2a\u4e09\u89d2\u5f62\u7684\u5185\u89d2\u7684\u548c\u7b49\u4e8en\u00b7180\u00b0\uff0c\u4ee5O\u4e3a\u516c\u5171\u9876\u70b9\u7684n\u4e2a\u89d2\u7684\u548c\u662f360\u00b0\u3002\u6240\u4ee5n\u8fb9\u5f62\u7684\u5185\u89d2\u548c\u662fn\u00b7180\u00b0-2\u00d7180\u00b0=\uff08n-2\uff09\u00b7180\u00b0\uff08n\u4e3a\u8fb9\u6570\uff09\u3002\u5373n\u8fb9\u5f62\u7684\u5185\u89d2\u548c\u7b49\u4e8e\uff08n-2\uff09\u00d7180\u00b0\u3002\uff08n\u4e3a\u8fb9\u6570\uff09\u3002<\/p>\n
\u6b63\u591a\u8fb9\u5f62\u7684\u5b9a\u4e49\uff1a<\/p>\n
\u5404\u8fb9\u76f8\u7b49\uff0c\u5404\u89d2\u4e5f\u76f8\u7b49\u7684\u591a\u8fb9\u5f62\u53eb\u505a\u6b63\u591a\u8fb9\u5f62\u3002<\/p>\n
\u6b63\u591a\u8fb9\u5f62\u7684\u5916\u63a5\u5706\u7684\u5706\u5fc3\u53eb\u505a\u6b63\u591a\u8fb9\u5f62\u7684\u4e2d\u5fc3\u3002<\/p>\n
\u6b63\u591a\u8fb9\u5f62\u7684\u5916\u63a5\u5706\u7684\u534a\u5f84\u53eb\u505a\u534a\u5f84\u3002<\/p>\n
\u4e2d\u5fc3\u5230\u5706\u5185\u63a5\u6b63\u591a\u8fb9\u5f62\u5404\u8fb9\u7684\u8ddd\u79bb\u53eb\u505a\u8fb9\u5fc3\u8ddd\u3002<\/p>\n
\u6b63\u591a\u8fb9\u5f62\u5404\u8fb9\u6240\u5bf9\u7684\u5916\u63a5\u5706\u7684\u5706\u5fc3\u89d2\u90fd\u76f8\u7b49\uff0c\u8fd9\u4e2a\u5706\u5fc3\u89d2\u53eb\u505a\u6b63\u591a\u8fb9\u5f62\u7684\u4e2d\u5fc3\u89d2\u3002<\/p>\n
\u6b63n\u8fb9\u5f62\u6709\u591a\u5c11\u5bf9\u79f0\u8f74\uff1f<\/p>\n
\u6b63n\u8fb9\u5f62\u662f\u8f74\u5bf9\u79f0\u56fe\u5f62\uff0c\u6709n\u6761\u5bf9\u79f0\u8f74\u3002<\/p>\n
\u5f53n\u662f\u5947\u6570\u65f6\uff0c\u6bcf\u8fb9\u7684\u5782\u76f4\u5e73\u5206\u7ebf\u90fd\u662f\u5bf9\u79f0\u8f74\u3002<\/p>\n
\u5f53n\u662f\u5076\u6570\u65f6\uff0c\u6709\u6761\u5bf9\u79f0\u8f74\u662f\u5bf9\u89d2\u7ebf\uff0c\u8fd8\u6709\u6761\u5bf9\u79f0\u8f74\u662f\u8fb9\u7684\u5782\u76f4\u5e73\u5206\u7ebf\u3002<\/p>\n
\u6b63n\u8fb9\u5f62\u7684\u8fb9\u5fc3\u8ddd\u516c\u5f0f\uff1a<\/p>\n
\u6b63n\u8fb9\u5f62\u7684\u4e2d\u5fc3\u89d2\u7684\u5ea6\u6570 = 360\/n<\/p>\n
\u534a\u5f84\u4e3aR\u7684\u5706\u5185\u63a5\u6b63n\u8fb9\u5f62\u7684\u8fb9\u957f = sin\uff08360\/n\/2\uff09*R*2<\/p>\n
\u8fb9\u5fc3\u8ddd = cos\uff08360\/n\/2\uff09*R<\/p>\n
\u521d\u4e2d\u6570\u5b66\u516c\u5f0f\u5b9a\u7406\uff1a<\/p>\n
1\u3001\u70b9\u3001\u7ebf\u3001\u89d2<\/p>\n
\u70b9\u7684\u5b9a\u7406\uff1a\u8fc7\u4e24\u70b9\u6709\u4e14\u53ea\u6709\u4e00\u6761\u76f4\u7ebf\uff1b\u4e24\u70b9\u4e4b\u95f4\u7ebf\u6bb5\u6700\u77ed\u3002<\/p>\n
\u89d2\u7684\u5b9a\u7406\uff1a\u540c\u89d2\u6216\u7b49\u89d2\u7684\u8865\u89d2\u76f8\u7b49\uff1b\u540c\u89d2\u6216\u7b49\u89d2\u7684\u4f59\u89d2\u76f8\u7b49\u3002<\/p>\n
\u76f4\u7ebf\u5b9a\u7406\uff1a\u8fc7\u4e00\u70b9\u6709\u4e14\u53ea\u6709\u4e00\u6761\u76f4\u7ebf\u548c\u5df2\u77e5\u76f4\u7ebf\u5782\u76f4\uff1b\u76f4\u7ebf\u5916\u4e00\u70b9\u4e0e\u76f4\u7ebf\u4e0a\u5404\u70b9\u8fde\u63a5\u7684\u6240\u6709\u7ebf\u6bb5\u4e2d\uff0c\u5782\u7ebf\u6bb5\u6700\u77ed\u3002<\/p>\n
2\u3001\u51e0\u4f55\u5e73\u884c<\/p>\n
\u5e73\u884c\u5b9a\u7406\uff1a\u7ecf\u8fc7\u76f4\u7ebf\u5916\u4e00\u70b9\uff0c\u6709\u4e14\u53ea\u6709\u4e00\u6761\u76f4\u7ebf\u4e0e\u8fd9\u6761\u76f4\u7ebf\u5e73\u884c\u3002<\/p>\n
\u63a8\u8bba\uff1a\u5982\u679c\u4e24\u6761\u76f4\u7ebf\u90fd\u548c\u7b2c\u4e09\u6761\u76f4\u7ebf\u5e73\u884c\uff0c\u8fd9\u4e24\u6761\u76f4\u7ebf\u4e5f\u4e92\u76f8\u5e73\u884c\u3002<\/p>\n
\u8bc1\u660e\u4e24\u76f4\u7ebf\u5e73\u884c\u5b9a\u7406\uff1a\u540c\u4f4d\u89d2\u76f8\u7b49\uff0c\u4e24\u76f4\u7ebf\u5e73\u884c\uff1b\u5185\u9519\u89d2\u76f8\u7b49\uff0c\u4e24\u76f4\u7ebf\u5e73\u884c\uff1b\u540c\u65c1\u5185\u89d2\u4e92\u8865\uff0c\u4e24\u76f4\u7ebf\u5e73\u884c\u3002<\/p>\n
\u4e24\u76f4\u7ebf\u5e73\u884c\u63a8\u8bba\uff1a\u4e24\u76f4\u7ebf\u5e73\u884c\uff0c\u540c\u4f4d\u89d2\u76f8\u7b49\uff1b\u4e24\u76f4\u7ebf\u5e73\u884c\uff0c\u5185\u9519\u89d2\u76f8\u7b49\uff1b\u4e24\u76f4\u7ebf\u5e73\u884c\uff0c\u540c\u65c1\u5185\u89d2\u4e92\u8865\u3002<\/p>\n
3\u3001\u4e09\u89d2\u5f62\u5185\u89d2\u5b9a\u7406<\/p>\n
\u5b9a\u7406\uff1a\u4e09\u89d2\u5f62\u4e24\u8fb9\u7684\u548c\u5927\u4e8e\u7b2c\u4e09\u8fb9\u3002<\/p>\n
\u63a8\u8bba\uff1a\u4e09\u89d2\u5f62\u4e24\u8fb9\u7684\u5dee\u5c0f\u4e8e\u7b2c\u4e09\u8fb9\u3002<\/p>\n
\u4e09\u89d2\u5f62\u5185\u89d2\u548c\u5b9a\u7406\uff1a\u4e09\u89d2\u5f62\u4e09\u4e2a\u5185\u89d2\u7684\u548c\u7b49\u4e8e180\u00b0\u3002<\/p>\n
4\u3001\u5168\u7b49\u4e09\u89d2\u5f62\u5224\u5b9a<\/p>\n
\u5b9a\u7406\uff1a\u5168\u7b49\u4e09\u89d2\u5f62\u7684\u5bf9\u5e94\u8fb9\u3001\u5bf9\u5e94\u89d2\u76f8\u7b49\u3002<\/p>\n
\u8fb9\u89d2\u8fb9\u5b9a\u7406\uff08SAS\uff09\uff1a\u6709\u4e24\u8fb9\u548c\u5b83\u4eec\u7684\u5939\u89d2\u5bf9\u5e94\u76f8\u7b49\u7684\u4e24\u4e2a\u4e09\u89d2\u5f62\u5168\u7b49\uff1b\u6709\u4e24\u89d2\u548c\u5b83\u4eec\u7684\u5939\u8fb9\u5bf9\u5e94\u76f8\u7b49\u7684\u4e24\u4e2a\u4e09\u89d2\u5f62\u5168\u7b49\u3002<\/p>\n
\u63a8\u8bba\uff08AAS\uff09\uff1a\u6709\u4e24\u89d2\u548c\u5176\u4e2d\u4e00\u89d2\u7684\u5bf9\u8fb9\u5bf9\u5e94\u76f8\u7b49\u7684\u4e24\u4e2a\u4e09\u89d2\u5f62\u5168\u7b49\u3002<\/p>\n
\u8fb9\u8fb9\u8fb9\u5b9a\u7406\uff08SSS\uff09\uff1a\u6709\u4e09\u8fb9\u5bf9\u5e94\u76f8\u7b49\u7684\u4e24\u4e2a\u4e09\u89d2\u5f62\u5168\u7b49\u3002<\/p>\n
\u659c\u8fb9\u3001\u76f4\u89d2\u8fb9\u5b9a\u7406\uff08HL\uff09\uff1a\u6709\u659c\u8fb9\u548c\u4e00\u6761\u76f4\u89d2\u8fb9\u5bf9\u5e94\u76f8\u7b49\u7684\u4e24\u4e2a\u76f4\u89d2\u4e09\u89d2\u5f62\u5168\u7b49\u3002<\/p>\n
5\u3001\u89d2\u7684\u5e73\u5206\u7ebf<\/p>\n
\u5b9a\u74061\uff1a\u5728\u89d2\u7684\u5e73\u5206\u7ebf\u4e0a\u7684\u70b9\u5230\u8fd9\u4e2a\u89d2\u7684\u4e24\u8fb9\u7684\u8ddd\u79bb\u76f8\u7b49\u3002<\/p>\n
\u5b9a\u74062\uff1a\u5230\u4e00\u4e2a\u89d2\u7684\u4e24\u8fb9\u7684\u8ddd\u79bb\u76f8\u540c\u7684\u70b9\uff0c\u5728\u8fd9\u4e2a\u89d2\u7684\u5e73\u5206\u7ebf\u4e0a\uff1b\u89d2\u7684\u5e73\u5206\u7ebf\u662f\u5230\u89d2\u7684\u4e24\u8fb9\u8ddd\u79bb\u76f8\u7b49\u7684\u6240\u6709\u70b9\u7684\u96c6\u5408\u3002<\/p>\n
6\u3001\u7b49\u8170\u4e09\u89d2\u5f62\u6027\u8d28<\/p>\n
\u7b49\u8170\u4e09\u89d2\u5f62\u7684\u6027\u8d28\u5b9a\u7406\uff1a\u7b49\u8170\u4e09\u89d2\u5f62\u7684\u4e24\u4e2a\u5e95\u89d2\u76f8\u7b49\uff08\u5373\u7b49\u8fb9\u5bf9\u7b49\u89d2\uff09\u3002<\/p>\n
\u63a8\u8bba1\uff1a\u7b49\u8170\u4e09\u89d2\u5f62\u9876\u89d2\u7684\u5e73\u5206\u7ebf\u5e73\u5206\u5e95\u8fb9\u5e76\u4e14\u5782\u76f4\u4e8e\u5e95\u8fb9\uff1b\u7b49\u8170\u4e09\u89d2\u5f62\u9876\u89d2\u5e73\u5206\u7ebf\u3001\u5e95\u8fb9\u4e0a\u7684\u4e2d\u7ebf\u548c\u5e95\u8fb9\u4e0a\u7684\u9ad8\u4e92\u76f8\u91cd\u5408\u3002<\/p>\n
\u7b49\u8170\u4e09\u89d2\u5f62\u7684\u5224\u5b9a\u5b9a\u7406\uff1a\u5982\u679c\u4e00\u4e2a\u4e09\u89d2\u5f62\u6709\u4e24\u4e2a\u89d2\u76f8\u7b49\uff0c\u90a3\u4e48\u8fd9\u4e24\u4e2a\u89d2\u6240\u5bf9\u7684\u8fb9\u4e5f\u76f8\u7b49\uff08\u7b49\u89d2\u5bf9\u7b49\u8fb9\uff09\u3002<\/p>\n
7\u3001\u5bf9\u79f0\u5b9a\u7406<\/p>\n
\u5b9a\u7406\uff1a\u7ebf\u6bb5\u5782\u76f4\u5e73\u5206\u7ebf\u4e0a\u7684\u70b9\u548c\u8fd9\u6761\u7ebf\u6bb5\u4e24\u4e2a\u7aef\u70b9\u7684\u8ddd\u79bb\u76f8\u7b49\u3002<\/p>\n
\u9006\u5b9a\u7406\uff1a\u548c\u4e00\u6761\u7ebf\u6bb5\u4e24\u4e2a\u7aef\u70b9\u8ddd\u79bb\u76f8\u7b49\u7684\u70b9\uff0c\u5728\u8fd9\u6761\u7ebf\u6bb5\u7684\u5782\u76f4\u5e73\u5206\u7ebf\u4e0a\uff1b\u7ebf\u6bb5\u7684\u5782\u76f4\u5e73\u5206\u7ebf\u53ef\u770b\u4f5c\u548c\u7ebf\u6bb5\u4e24\u7aef\u70b9\u8ddd\u79bb\u76f8\u7b49\u7684\u6240\u6709\u70b9\u7684\u96c6\u5408\u3002<\/p>\n
\u5b9a\u74061\uff1a\u5173\u4e8e\u67d0\u6761\u76f4\u7ebf\u5bf9\u79f0\u7684\u4e24\u4e2a\u56fe\u5f62\u662f\u5168\u7b49\u5f62\u3002<\/p>\n
\u5b9a\u74062\uff1a\u5982\u679c\u4e24\u4e2a\u56fe\u5f62\u5173\u4e8e\u67d0\u76f4\u7ebf\u5bf9\u79f0\uff0c\u90a3\u4e48\u5bf9\u79f0\u8f74\u662f\u5bf9\u5e94\u70b9\u8fde\u7ebf\u7684\u5782\u76f4\u5e73\u5206\u7ebf\u3002<\/p>\n
\u5b9a\u74063\uff1a\u4e24\u4e2a\u56fe\u5f62\u5173\u4e8e\u67d0\u76f4\u7ebf\u5bf9\u79f0\uff0c\u5982\u679c\u5b83\u4eec\u7684\u5bf9\u5e94\u7ebf\u6bb5\u6216\u5ef6\u957f\u7ebf\u76f8\u4ea4\uff0c\u90a3\u4e48\u4ea4\u70b9\u5728\u5bf9\u79f0\u8f74\u4e0a\u3002<\/p>\n
\u9006\u5b9a\u7406\uff1a\u5982\u679c\u4e24\u4e2a\u56fe\u5f62\u7684\u5bf9\u5e94\u70b9\u8fde\u7ebf\u88ab\u540c\u4e00\u6761\u76f4\u7ebf\u5782\u76f4\u5e73\u5206\uff0c\u90a3\u4e48\u8fd9\u4e24\u4e2a\u56fe\u5f62\u5173\u4e8e\u8fd9\u6761\u76f4\u7ebf\u5bf9\u79f0\u3002<\/p>\n
8\u3001\u76f4\u89d2\u4e09\u89d2\u5f62\u5b9a\u7406<\/p>\n
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\u5224\u5b9a\u5b9a\u7406\uff1a\u76f4\u89d2\u4e09\u89d2\u5f62\u659c\u8fb9\u4e0a\u7684\u4e2d\u7ebf\u7b49\u4e8e\u659c\u8fb9\u4e0a\u7684\u4e00\u534a\u3002<\/p>\n
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