如图,在△ABC中,AB=AC,AB的垂直平分线MN交AC于点D,交AB于点E.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/21/821648b5-fedd-4504-9f7e-09153ea9b3f7.png?resizew=134)
(1)求证:△ABD是等腰三角形.
(2)若AB=AC=12,△CBD的周长为20,求线段BC的长.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/21/821648b5-fedd-4504-9f7e-09153ea9b3f7.png?resizew=134)
(1)求证:△ABD是等腰三角形.
(2)若AB=AC=12,△CBD的周长为20,求线段BC的长.
更新时间:2016-12-06 00:19:26
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