给出一个角让用圆规画出一个相同的角怎样做 如何用直尺和圆规画一个角等于已知角
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1\u3001\u5728\u8981\u6c42\u7684\u4f4d\u7f6e\u5148\u753b\u4e00\u6761\u5c04\u7ebf
2\u3001\u5728\u5df2\u77e5\u89d2\u7684\u9876\u70b9\u9002\u5f53\u7684\u4efb\u610f\u53d6\u534a\u5f84,\u5728\u4e24\u8fb9\u4e0a\u4f5c\u5f27
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4\u3001\u7136\u540e\u7528\u5706\u89c4\u91cf\u5df2\u77e5\u89d2\u4e0a\u5f27\u6240\u5bf9\u7684\u5f26\u957f(\u5c31\u662f\u628a\u4e24\u4e2a\u5c16\u5bf9\u51c6\u5f27\u4e0e\u5df2\u77e5\u53eb\u7684\u8fb9\u7684\u4e24\u4e2a\u7aef\u70b9)
5\u3001\u6700\u540e\u5728\u5c04\u7ebf\u4e2d\u5f27\u548c\u5c04\u7ebf\u7684\u4ea4\u70b9\u5904\u753b\u5f27 \u8fde\u7ed3\u4e24\u5f27\u7684\u4ea4\u70b9\u4e0e\u5c04\u7ebf\u7aef\u70b9
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\u65b9\u6cd5\u4e00\uff1a
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(2)\u8fc7\u7ebf\u6bb5\u7684\u53e6\u4e00\u7aef\u70b9\u4f5c\u6240\u5728\u8fb9\u7684\u5782\u7ebf\uff0c\u4e0e\u89d2\u7684\u53e6\u4e00\u8fb9\u76f8\u4ea4\uff0c\u91cf\u53d6\u89d2\u7684\u4e24\u8fb9\u6240\u5939\u7684\u5782\u7ebf\u6bb5\u7684\u957f\u5ea6L2
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1\uff0c\u5148\u7528\u76f4\u5c3a\u4f5c\u4e00\u6761\u5c04\u7ebfO'N'\uff0c\u5176\u4e2d\u4ee5O'\u4e3a\u7aef\u70b9;
2\uff0c\u4ee5\u5df2\u77e5\u89d2\u9876\u70b9O\u4e3a\u5706\u5fc3\uff0c\u7528\u56fa\u5b9a\u7684\u534a\u5f84r\u753b\u5706\u5f27\uff0c\u4e0e\u5df2\u77e5\u89d2\u7684\u4e24\u6761\u8fb9\u76f8\u4ea4\u4e8eS\u3001T;
3\uff0c\u4ee5O'\u4e3a\u5706\u5fc3\uff0c\u7528\u534a\u5f84r\u753b\u5706\u5f27l\uff0c\u4ea4\u5c04\u7ebfO'N'\u4e0eS';
4\uff0c\u4ee5S'\u4e3a\u5706\u5fc3\uff0c\u4ee5ST\u957f\u5ea6\u4e3a\u534a\u5f84\u753b\u5706\u5f27\uff0c\u4e0e\u5706\u5f27l\u76f8\u4ea4\u4e8eT';
5\uff0c\u4ee5O'\u4e3a\u7aef\u70b9\uff0c\u4f5c\u5c04\u7ebfO'M'\u8fc7T'\uff0c\u90a3\u4e48\u2220M'ON'\u5373\u4e3a\u6240\u6c42
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1. \u6bcf\u6b21\u7684\u64cd\u4f5c\u53ea\u80fd\u662f\u516c\u8ba4\u5141\u8bb8\u7684\u4e94\u9879\u57fa\u672c\u64cd\u4f5c\uff08\u79f0\u4e3a\u4e94\u9879\u4f5c\u56fe\u516c\u6cd5\uff09\u4e4b\u4e00\u3002
2. \u6bcf\u6b21\u64cd\u4f5c\u4e4b\u524d\uff0c\u64cd\u4f5c\u8005\u4e3a\u51b3\u5b9a\u662f\u5426\u64cd\u4f5c\u548c\u8fdb\u884c\u54ea\u79cd\u64cd\u4f5c\u53ef\u4ee5\u8fdb\u884c\u7684\u903b\u8f91\u5224\u65ad\uff0c\u4e5f\u53ea\u80fd\u662f\u51e0\u4f55\u5b66\u4e2d\u516c\u8ba4\u5141\u8bb8\u7684\u51e0\u79cd\u3002
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\u5c3a\u89c4\u4f5c\u56fe\u6cd5_\u767e\u5ea6\u767e\u79d1
答案见下图
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