如图,矩形
中,
,
,过点
,
作相距为4的平行线段
,
,分别交
,
于点
,
,则
的长是( )
![](https://img.xkw.com/dksih/QBM/2020/4/14/2441497285263360/2441963498717184/STEM/088f1ab5-aaf7-4e6d-8fc2-738f859d212b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://img.xkw.com/dksih/QBM/2020/4/14/2441497285263360/2441963498717184/STEM/088f1ab5-aaf7-4e6d-8fc2-738f859d212b.png)
A.![]() | B.![]() | C.![]() | D.3 |
更新时间:2020-04-15 12:50:22
|
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【推荐1】如图,在矩形
中,
cm,
cm,点
从
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cm/s的速度向点
运动,当
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运动的时间为( )
![](https://img.xkw.com/dksih/QBM/2022/11/3/3101686687719424/3122313206472704/STEM/085df2a3384c4e69965a9981032cd1c9.png?resizew=174)
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【推荐2】如图,点O是矩形
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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【推荐1】如图,菱形
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【推荐2】如图,矩形
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