将矩形
纸片按如下步骤折叠:
图1 图2
第一步:如图1,沿对角线
折叠,点
的对应点为点
,线段
交线段
于点
;
第二步:如图2,将
沿
折叠,点
的对应点为点
,
连接
交
于点
.若
,则
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/13/d52694d6-5cf4-409b-9cef-62462ac90c9a.png?resizew=155)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/13/8767f536-b9f3-4b84-be50-5af5941dd497.png?resizew=151)
图1 图2
第一步:如图1,沿对角线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
第二步:如图2,将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94afa8a87d608292d6c1a8f39b21a82f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a477603f3f88c3b48352b6130f9ad5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06e322e0c87479bba874db9ae9ba36b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97711e9a836bf6edc7dede064ca69654.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ce4a3e02ce5a11bcebb73315858f33d.png)
更新时间:2023-09-11 16:56:36
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