已知
的边长如图所示,求
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://img.xkw.com/dksih/QBM/2021/11/12/2849596469698560/2863813503475712/STEM/5f0e3953-ca3d-4e21-9b4a-967ced3c40fa.png?resizew=178)
更新时间:2021-12-02 13:06:23
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相似题推荐
解答题-证明题
|
较易
(0.85)
【推荐1】如图,已知
的对角线
,
交于点O,
过点O且与
,
分别相交于点E、F.
;
(2)若
,
,
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcf2e3236ea30ee2c37928b98041f13a.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dcdb1a0b3f135bb76fb9d6d9ab5b7e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bcebad1bd97e7ae63416016e053a564.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b576ad17cdb65d6024daf8993ef76c00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
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解答题-作图题
|
较易
(0.85)
名校
【推荐2】如图,在边长为1的5×5正方形网格中,小正方的顶点称之为格点,点A、点B均在格点上,按照题目要求作图.
![](https://img.xkw.com/dksih/QBM/2022/3/26/2944454714777600/2945334554353664/STEM/af046a1c-628a-4490-9765-c696d0cec60f.png?resizew=124)
(1)以线段AB为对角线作面积为6的平行四边形ACBD(顶点字母按逆时针标注);
(2)AD的长是 .
![](https://img.xkw.com/dksih/QBM/2022/3/26/2944454714777600/2945334554353664/STEM/af046a1c-628a-4490-9765-c696d0cec60f.png?resizew=124)
(1)以线段AB为对角线作面积为6的平行四边形ACBD(顶点字母按逆时针标注);
(2)AD的长是 .
您最近一年使用:0次