论文部分内容阅读
适当地运用对称可使不少几何问题的解决变得简捷.1.对称与面积例1 正△ABC的一个顶点A位于坐标原点,另外两个顶点B、C在抛物线y2=2px(p
Proper use of symmetry can simplify the solution of many geometric problems. 1. Symmetry and Area Example 1 A vertex A of positive △ABC is located at the origin of coordinates, and the other two vertices B and C are at a parabola y2=2px (p