论文标题
蝴蝶定理的两个概括
Two generalizations of the Butterfly Theorem
论文作者
论文摘要
我们使用凸出的方法和笛卡尔坐标系的分析几何形状建立了对蝴蝶定理的两个直接扩展以及循环四边形的两个直接扩展。
We establish two direct extensions to the Butterfly Theorem on the cyclic quadrilateral along with the proofs using the projective method and analytic geometry of the Cartesian coordinate system.
