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P, Q, and R are three points in a plane that are not all on the same line. Which of the following describes the set of all points in the plane that are equally distant from points P, Q and R?
B显示答案
· 相关考点
4.3.7 三角形的外心
4.3.7 三角形的外心
以上解析由 考满分老师提供。
