如图,在
中,
.用尺规按下列步骤操作:①找线段
的中点
,连接
;②在
的下方作
,作线段
交
于点
(点
与点
不重合).结论I:四边形
是平行四边形.结论II:当
时,
.对于结论I和II,下列判断正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b50d1fc9199b1236dd32f874d8332a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2eab9470b4867e7fc49a646281c6076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/293b63e275caa57bae8c0f5a98c1a312.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05d35d8d8bb0dc17f2f86fe5b230a2b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b455b110a30c1533d0a0657e0e48ac33.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/22/70475569-4f61-4267-bb09-af5c78477b7e.png?resizew=146)
A.I和II都对 | B.I和II都不对 | C.I不对II对 | D.I对,II不对 |
2023·河北沧州·三模 查看更多[2]
更新时间:2023-05-11 08:32:39
|
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