如图,直线
上有三个正方形
,若
的面积分别为2和4,则
的边长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20cda097a4e7c41100e573d8304ee066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/12/4f412e57-64a6-4e26-ac31-e6e29c49b078.jpg?resizew=249)
更新时间:2023-09-12 10:07:18
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【推荐1】一个直角三角形三边长是三个连续整数,则这三条边的长分别为______ ,它的面积为____ .
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【推荐1】如图,正方形
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【推荐2】如图,BD为正方形ABCD的对角线,BE平分∠DBC,交DC与点E,将△BCE绕点C顺时针旋转90°得到△DCF,若CE=1 cm,则BF=__________ cm.
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