如图,菱形
中,
,这个菱形的周长是( )
![](https://img.xkw.com/dksih/QBM/2019/8/13/2267999983706112/2268099340025856/STEM/dd150a3c32a44ba4859d5e38bc8b4a6e.png?resizew=150)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bad4251bfad28da3a0292a053a06619.png)
![](https://img.xkw.com/dksih/QBM/2019/8/13/2267999983706112/2268099340025856/STEM/dd150a3c32a44ba4859d5e38bc8b4a6e.png?resizew=150)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2019-08-18 09:38:02
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【推荐1】如图,点
,
,
在半径为
的
上,
,则
的值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/18/9328cd51-c8e8-453b-aff8-2695d3634e80.png?resizew=137)
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A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐1】如图,在菱形ABCD中,
,
,
,则AB的长为是( )
![](https://img.xkw.com/dksih/QBM/2022/1/27/2903756248719360/2905817750249472/STEM/4a4d8e20-5fd5-4e8d-88a2-4f2fbb604c88.png?resizew=206)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32c38dfd14dde969702dff97ef2270f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bfeaf26f178031f78a5545233a2a73f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beb6823a329628699619a39cde927510.png)
![](https://img.xkw.com/dksih/QBM/2022/1/27/2903756248719360/2905817750249472/STEM/4a4d8e20-5fd5-4e8d-88a2-4f2fbb604c88.png?resizew=206)
A.6 | B.8 | C.10 | D.12 |
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【推荐2】若菱形的两邻角的度数比为5:1,菱形的高为1,则菱形的边长为( )
A.4 | B.2 | C.![]() | D.1 |
您最近一年使用:0次