摘要
本文给出等腰三角形两腰上具有某些特性的顶边线的相等关系及其逆命题 ,由此不难推出著名的Lehmus -Steiner定理。
The equivalent relation of SA Lines with some features on dual sides of isosceles triangle and their contrary proposition is given to present the famous theorem Lehmus Steiner.
出处
《郴州师范高等专科学校学报》
2000年第6期1-4,共4页
Journal of Chenzhou Teachers College
关键词
等腰三角形
顶边线
逆命题
dual sides of isosceles triangle
SA Line
