如图,在
中,
,
,
是
边的中点, 则
的度数为( )
![](https://img.xkw.com/dksih/QBM/2020/3/12/2417891262922752/2418163718414336/STEM/8f2e514dfb6146a4ab59a0565fa41202.png?resizew=159)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8f88798ec42a58dccd212586382b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46bc48e105e6f1eea8983e76999baa63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41bef89ac0dd5ae192cd9c7222d5041b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c0b21e5a7f3917dae230e125a26aea6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9d16fab0f52c8af5abba0bf19a06ea0.png)
![](https://img.xkw.com/dksih/QBM/2020/3/12/2417891262922752/2418163718414336/STEM/8f2e514dfb6146a4ab59a0565fa41202.png?resizew=159)
A.40° | B.50° | C.60° | D.80° |
更新时间:2020-03-12 21:49:35
|
相似题推荐
单选题
|
适中
(0.65)
名校
【推荐1】锐角三角形中,任意两个内角之和必大于( )
A.120° | B.100° | C.90° | D.60° |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】如图,
是封闭折线,则
为( )度.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/26/3424ea62-3b42-4be1-87e8-c91e62dd451d.png?resizew=215)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9142a8490de14a87eda628ffa7e28982.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b65fc2b1a6c3b3fd17d9b76a3181b1c5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/26/3424ea62-3b42-4be1-87e8-c91e62dd451d.png?resizew=215)
A.180 | B.270 | C.360 | D.540 |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐1】如图,在矩形
中,
,对角线
与
相交于点
,
,垂足为
,
,则
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df3b2901ad26337818f75e81448ebb5.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68fbbd17c89f03dbb61cd6ffdb9a0344.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be27d98c6c5afb37ec4b82b3d3c3b619.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】如图,在边长为3的菱形
中,
,点
是
边上的动点,点
是
边上一定点,
,将
沿
所在的直线翻折得到
,连接
,则
长度的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b8b98b2f83279a49e94d9f48c5e6f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4500272aa458afeeb2fb8fff527c8fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98013a5042685a1db94249e70c62c09a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8e7040c2fd8a163d71e35805775feb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eb97aff0960e2640314888a38e7169c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eb97aff0960e2640314888a38e7169c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次