题型:填空题
难度:0.85
引用次数:595
题号:6746560
如图,在矩形ABCD中,AB=10,AD=6,矩形ABCD绕点A逆时针旋转一定角度得矩形AB′C′D′,若点B的对应点B′落在边CD上,则B′C的长为_____ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/13/78f1a8b1-6323-4d0f-a10b-49758fc38e2d.png?resizew=170)
更新时间:2018-08-14 07:16:30
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