如图,在
中,
是
的中点,
,则
( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/11/1f6e18f1-94c0-4b62-99a8-8253e6dfe0d7.png?resizew=136)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3153f2318ff7bb8c68a3b1d46f15036b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ec5d678ec42846e1d28301e3bfd4be.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/11/1f6e18f1-94c0-4b62-99a8-8253e6dfe0d7.png?resizew=136)
A.![]() | B.![]() | C.![]() | D.6 |
更新时间:2023-12-12 17:21:15
|
相似题推荐
单选题
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适中
(0.65)
【推荐1】如图,在边长为2的等边
中,点
,
,
分别是
,
,
上的动点,则
周长的最小值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/11/e3a9e119-a195-4ec8-80b2-2a3e2015847f.png?resizew=158)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c65edad25ddd666cdce0d7e5afefc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e60f045fd276b6e30b912a3285c27d9a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/11/e3a9e119-a195-4ec8-80b2-2a3e2015847f.png?resizew=158)
A.3 | B.![]() | C.![]() | D.2 |
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【推荐2】如图所示,在
中,
,
,
,将
绕点
顺时针旋转得到
,其中点
,
的对应点分别为点
,
,当点
落在
的延长线上时,在
上取一点
,使得
,则
的长为( )
![](https://img.xkw.com/dksih/QBM/2022/2/18/2919121217118208/2920758474178560/STEM/4b5725b3-c79d-4ce4-8c44-d7e4d107bacc.png?resizew=274)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
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![](https://img.xkw.com/dksih/QBM/2022/2/18/2919121217118208/2920758474178560/STEM/4b5725b3-c79d-4ce4-8c44-d7e4d107bacc.png?resizew=274)
A.3 | B.3.6 | C.4 | D.4.8 |
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【推荐1】如图,在平面直角坐标系中,等腰直角三角形
的顶点B、C分别在x轴、y轴的正半轴上,
,
轴,点A在函数
的图象上.若
,则k的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
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A.4 | B.2 | C.![]() | D.1 |
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【推荐2】如图,已知正方形ABCD的边长为5,点E、F分别在AD、DC上,AE=DF=2,BE与AF相交于点G,点H为BF的中点,连接GH,则GH的长为( )
A.2![]() | B.![]() | C.4![]() | D.![]() |
您最近一年使用:0次