如图,已知在⊙O中,直径MN=20,正方形ABCD的四个顶点分别在半径OM,OP以及⊙O上,并且∠POM=45°,则AB的长为( )
![](https://img.xkw.com/dksih/QBM/2022/9/30/3077636736507904/3084965778948096/STEM/b5b9a99f1bbc4b1eb4c823f7ec6e5f2d.png?resizew=133)
![](https://img.xkw.com/dksih/QBM/2022/9/30/3077636736507904/3084965778948096/STEM/b5b9a99f1bbc4b1eb4c823f7ec6e5f2d.png?resizew=133)
A.![]() | B.![]() | C.5 | D.![]() |
更新时间:2022-10-12 09:13:54
|
相似题推荐
单选题
|
较易
(0.85)
真题
名校
【推荐1】如图,在
中,
,以B为圆心,适当长为半径画弧交
于点M,交
于点N,分别以M,N为圆心,大于
MN的长为半径画弧,两弧相交于点D,射线
交
于点E,点F为
的中点,连接
,若
,则
的周长是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3570a95f68349fcd9417fcda62e78e7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f2e02f64e9ffe7b0ea50805fa5e08cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ff39c7aa648afd1080206c8080ff79e.png)
A.8 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐2】如图,
中,
、
分别平分
、
,
过点I,且
,
,
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9020059d62af7498039f091de6f005ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0c845bb8ceaa4caef3af4f1e4366b49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/752fa646a2d9cfca34001748445301c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d021981c03e75b1a246d899dcc64656.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1337ce85d29edabcc2fadb9a9cc31ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae2169ed84f63f113eb140ba94b98332.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/19/0a443913-71c5-44b0-8758-c3d9e7ce6c8c.jpg?resizew=150)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐1】如图,在矩形中ABCD中,AB=8,BC=6,将矩形沿BD折叠,点C落在点C'处,则重叠部分
的面积是( )
![](https://img.xkw.com/dksih/QBM/2021/5/9/2717107049095168/2792173164199936/STEM/d03864f1-cd01-48aa-90b2-03f5f368aaf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7e64c953aaf341e772a5fe776fbc78a.png)
![](https://img.xkw.com/dksih/QBM/2021/5/9/2717107049095168/2792173164199936/STEM/d03864f1-cd01-48aa-90b2-03f5f368aaf3.png)
A.![]() | B.12 | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
较易
(0.85)
真题
名校
【推荐2】如果一个直角三角形的两条边长分别是6和8,另一个与它相似的直角三角形边长分别是3、4及x,那么x的值( ).
A.只有1个 | B.可以有2个 | C.可以有3个 | D.有无数个 |
您最近一年使用:0次
单选题
|
较易
(0.85)
名校
【推荐1】已知:如图,
,
是正方形
的对角线
上的两点,且
.那么四边形
不具备的条件是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/27/96c0e571-8b2e-45ed-b009-d7e3c9221bdc.png?resizew=128)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92034dd2bb9480b18709d01153467f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/910936ec9fb419d51ce2f5ea817f8401.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/27/96c0e571-8b2e-45ed-b009-d7e3c9221bdc.png?resizew=128)
A.对角线相等 | B.四边相等 | C.对角线互相垂直 | D.对边平行 |
您最近一年使用:0次
单选题
|
较易
(0.85)
【推荐2】如图,正方形
中,点E为
边上的点(点E不与点C、D重合),以
为边作正方形
,连接
,设
,
,
,给出下面三个结论:
①
;
②
;
③
;上述结论中,所有正确结论的序号是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b41d4070854edfaa24071137b314cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a2110034a1cf43218b1c54966547d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79ff575e55857af133edb24c8e61504f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd64cfc4f355c60554b4f76c5ad17124.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d361d15419cc290f186fa83f837db80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67fb7b5c5f584d366021163cb40e5b7f.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b71c0f34dfec4c71dcada4536d492bb3.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28af8acd6745c5bc5ed87b264f47b77f.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1270ed2e7f465e4a90eb8bd0139d977.png)
A.①② | B.①③ | C.②③ | D.①②③ |
您最近一年使用:0次