已知点O为△ABC三边垂直平分线的交点,点O到顶点A的距离为6cm,则OA+OB+OC=______ .
更新时间:2019-06-09 08:08:39
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【知识点】 线段垂直平分线的性质解读
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【推荐1】如图,AB、AC垂直平分线相交于P点,∠BPC=110°,则∠A=_____ .
![](https://img.xkw.com/dksih/QBM/2016/4/18/1574193552769024/1574193558413312/STEM/fa55e1c0c5c14c2080f15bab768d0538.png?resizew=179)
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【推荐2】如图,在
中
,
,以
为边作等腰
,使点
落在
的边上,则点
的位置有___ 个
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