题型:单选题
难度:0.65
引用次数:738
题号:18986937
如图,在矩形纸片
中,
,
,点
是边
上的一点,将
沿
所在的直线折叠,使点
落在
上的点
处,则
的长是( )
![](https://img.xkw.com/dksih/QBM/2023/5/10/3234737613488128/3237107292340224/STEM/59998e95c9344ca79896f73a14b51608.png?resizew=147)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ee826937d2add7a93aaa1422f8b736.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/164a4df60a15587971e883cf557b5ce2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://img.xkw.com/dksih/QBM/2023/5/10/3234737613488128/3237107292340224/STEM/59998e95c9344ca79896f73a14b51608.png?resizew=147)
A.2 | B.3 | C.4 | D.5 |
更新时间:2023-05-13 22:54:33
|
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【推荐1】如图,等腰直角三角形纸片
中,
,把纸片沿
对折后,点A恰好落在
上的点D处,点
,
,则下列结论:
;
;
与
的周长相等.正确的个数是( )
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A.0个 | B.1个 | C.2个 | D.3个 |
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单选题
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适中
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【推荐2】如图,在
中,
,
,
,D为
边上一点,将
沿
折叠,若点B恰好落在线段
的延长线上点E处,则
的长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/15/c120a2e2-8177-48e4-a64d-ec7e6d12d4c3.png?resizew=136)
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A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
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【推荐1】如图,折叠长方形的一边AD,使点D落在BC边的点F处,若AB=8cm,BC=10cm,则△AEF的面积为( )
A.40 | B.20 | C.50 | D.25 |
您最近一年使用:0次
单选题
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适中
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【推荐2】如图,矩形ABCD,点E是CD边上一点,沿AE折叠△ADE,使顶点D的对应点F恰好落在BC边上,作
交AE于点G,若
,
,则FG长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/3/45100c99-fc34-4c3c-b9c0-9fb8aa63dc4a.png?resizew=136)
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