如图,在矩形
中,
,
,将矩形纸片折叠,使点A与
边的中点重合,则折痕的长度为 _____
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df3b2901ad26337818f75e81448ebb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/432043f79e122f291c47453013042704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
更新时间:2024-03-16 17:51:05
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【推荐2】如图,某地下车库的入口处有斜坡
,其坡比为
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的长为 ____ 米.
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【推荐1】如图,在矩形
中,
,点E在矩形
的边
上,连接
,将矩形
沿
折叠,折叠后的点B落在边
上的点F处,得到矩形
.若矩形
与原矩形
相似,则AB的长为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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【推荐2】如图,在矩形
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上时,线段
的长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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