如图,在四边形
中,
//
,
,连接
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/27/6d012423-635d-48e8-b6f3-df53bec50355.png?resizew=212)
(1)求证:
;
(2)尺规作图:过点
作
的垂线,垂足为点
(不要求写作法,保留作图痕迹).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/c4fd85cff10e8f192cfe0b0a8b2f4996.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/27/6d012423-635d-48e8-b6f3-df53bec50355.png?resizew=212)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5d5f49c0d6162ea6264c23fdff924cf.png)
(2)尺规作图:过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
2022·青海海东·一模 查看更多[1]
更新时间:2022-06-08 18:35:09
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