| 三个两两相外切圆的内公切圆与外公切圆 |
| |
| 引用本文： | 李旭东,智海章.三个两两相外切圆的内公切圆与外公切圆[J].广西右江民族师专学报,2005,18(6):6-8. |
| |
| 作者姓名： | 李旭东 智海章 |
| |
| 作者单位： | 兰州师范高等专科学校数学系,甘肃兰州730070 |
| |
| 摘 要： | 在适当的直角坐标系下求出了三个两两相外切圆的内公切圆与外公切圆之圆心坐标和半径，并得到了诸半径之间的优美关系式。
|
| 关 键 词： | 相切圆 内公切圆 外公切圆 半径 关系 |
| 文章编号： | 1008-8113（2005）06-0006-03 |
| 收稿时间： | 2005-05-24 |
Internal and External Common Tangent Circles of Three Circles Which Are Externally Tangent Each Other |
| |
| LI Xu-dong, ZHI Hai-zhang.Internal and External Common Tangent Circles of Three Circles Which Are Externally Tangent Each Other[J].Journal of Youjiang Teachers College For Nationalities Guangxi,2005,18(6):6-8. |
| |
| Authors: | LI Xu-dong ZHI Hai-zhang |
| |
| Abstract: | The center and radius of the internal and external common tangent circles of three ones which are externally tangent each other are obtained under the suitable rectangular coordinates system, then the fine relation types between the radiuses are obtained. |
| |
| Keywords: | tangent circles internal common tangent circle external common tangent circle radius relation |
| 本文献已被 维普 等数据库收录！ |
