如图,在矩形
中,
,点E在边
上,若
平分
,则
的长是___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b124087e8e0f003f15224ecc3c983228.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb3de20ba8bda63c650ef571be155702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
2024八年级下·浙江·专题练习 查看更多[1]
(已下线)专题01 矩形的性质和判定(五大类型)(题型专练)-2023-2024学年八年级数学下册《知识解读·题型专练》(浙教版)
更新时间:2024-05-19 17:45:14
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【推荐1】如图,在等腰梯形ABCD中, BC=13cm,AD=5cm,沿直线BD折叠这个三角形,使点A落在BC边上的E处,折痕为BD.则
周长为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b72701ec7b81e66ef9b6d27dea2863f0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/5/9496460f-3801-4955-aeaf-f02dc602ffa9.png?resizew=241)
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【推荐2】在平行四边形
中,
,
平分
交边
于点F,
平分
交边
于点E,且
,则
的长是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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【推荐1】如图,在
中,
,
,点
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为
的重心,
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______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
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【推荐2】在一个斜坡上前进5米,水平高度升高了1米,则该斜坡坡度![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51b1e185d6a0ab350cdc947beeb82040.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51b1e185d6a0ab350cdc947beeb82040.png)
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【推荐1】如图,矩形
的对角线
,
相交于点
,
交
于点
,连接
.若矩形
的周长为
,则
的周长为__________
.
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【推荐2】如图,矩形ABCD中,AB=5,BC=8,点E、G为直线BC上两个动点,BE=CC,连接AE,将△ABE沿AE折叠,将△DCC沿DG折叠,当对应点F和H重合时,BE的长为_____ .
![](https://img.xkw.com/dksih/QBM/2019/5/17/2205449901645824/2209044295163904/STEM/68597d3b9d3e425e9214e9b3c094481c.png?resizew=134)
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