Desargues定理的应用  

The application of Desargues theorem

作　　者：周永安[1] 

机构地区：[1]宿迁学院教师教育系,江苏宿迁223800

出　　处：《高师理科学刊》2010年第5期86-88,共3页Journal of Science of Teachers＇College and University

摘　　要：研究了应用笛沙格定理时寻找透视三点形的3种途径即根据问题的条件或结论直接找出对应顶点;调整对应顶点;构造透视三点形.Gave three methods of seeking for the perspective three point shapes when Desargue＇s theorem is applied.These methods are finding the corresponding apex directly according to the question condition or the conclusion,adjusting correspondence apex,constructing perspective three shapes.

关 键 词：透视三点形 透视轴 透视中心 

分 类 号：O186.3[理学—数学]