| 托勒密定理的复数证法及其应用 |
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| 引用本文： | 彭康青.托勒密定理的复数证法及其应用[J].天水师范学院学报,2004,24(2):11-13. |
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| 作者姓名： | 彭康青 |
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| 作者单位： | 陇南师范高等专科学校,数学系,甘肃,成县,742500 |
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| 摘 要： | 托勒密定理指圆内接凸四边形两组对边乘积的和等于两对角线的乘积。托勒密定理主要用于圆内线段的计算和证明,解决正多边形的一些尺规作图问题。
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| 关 键 词： | 托勒密定理 复数证法 应用 |
| 文章编号： | 1371-1351(2004)02-0011-03 |
| 修稿时间： | 2004年1月20日 |
Demonstration of Complex Number and Its Application about Ptolemy Theorem |
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| PENG Kang-qing.Demonstration of Complex Number and Its Application about Ptolemy Theorem[J].Journal of Tianshui Normal University,2004,24(2):11-13. |
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| Authors: | PENG Kang-qing |
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| Abstract: | This paper presents a new method to demonstrate Ptolemy theorem with complex number and gives examples about the application of Ptolemy theorem. For instance, calculating and demonstrating about the length of line segments in a circle and solving problems concerning drawing regular polygon with ruler and compass. |
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| Keywords: | Ptolemy theorem demonstration of complex number application |
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