如图,将一个8cm×16cm智屏手机抽象成一个的矩形ABCD,其中AB=8cm,AD=16cm,然后将它围绕顶点A逆时针旋转一周,旋转过程中A、B、C、D的对应点依次为A、E、F、G,则当△ADE为直角三角形时,若旋转角为α(0<α<360°),则α的大小为_____ .
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/30/3f388a4b-b446-4e42-b73f-6cfa63a17ea6.png?resizew=140)
更新时间:2020-01-15 19:59:54
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【推荐1】已知点P是等腰直角三角形
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适中
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【推荐2】已知,在
中,
,
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、
分别在边
、
上,且
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