摘要
研究椭圆、双曲线、抛物线上三点构成直角三角形的充要条件,得到若干有益的结果。
The article studies the adequate conditions for forming right angle triangle with three points on ellipse,hyperbola,and parabola,and obtains several rewarding results.
关键词
椭圆
双曲线
抛物线
直角三角形
ellipse
hyperbola
parabola
right angle triangle
