如图,
,点E在
上,且
,
,则
的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/2/838bb9b2-cffe-4e56-9364-9cd6ccd14a04.png?resizew=180)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a11029ca6b4b9e7f777af0280cf163c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5eaffcd2070bfcb1955e2cab66c26c06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d544a72d8c358a153bb850badd298c0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc9a89d0d1c97b88c0f4acd32b4e67.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/2/838bb9b2-cffe-4e56-9364-9cd6ccd14a04.png?resizew=180)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2023-07-03 21:25:03
|
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单选题
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名校
【推荐1】如图,在
中,
平分
,
平分
,
经过点O,与
、
相交于点M、N,且
,
周长为
,
,则
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf1438142deeac876fc7dc50552e552.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5a122e25cf4eb9f03ffe5ec823bfc31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.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/a8fb4b5afd9999b210f1bab1a0854d13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98013a5042685a1db94249e70c62c09a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06fc7811f9525e8b8c833746d6af5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b65065ec3a0cb4b050989165c003d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/18/70a3fa79-e6a4-4efe-84c8-478a9496fe45.png?resizew=165)
A.6 | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,在△ABC中,∠C=90°,点D在BC边上,DE∥AB,若∠CDE=150°,则∠A的度数为( )
![](https://img.xkw.com/dksih/QBM/2015/6/15/1573847290937344/1573847296163840/STEM/fd3cb3aaf1a941b78c7d962dfde192e9.png)
![](https://img.xkw.com/dksih/QBM/2015/6/15/1573847290937344/1573847296163840/STEM/fd3cb3aaf1a941b78c7d962dfde192e9.png)
A.30° | B.60° | C.120° | D.150° |
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【推荐1】等腰三角形的一个角是
,则它的底角是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
A.![]() | B.![]() | C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
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【推荐2】如图,我们都知道长方形的对边相等并且每个角都是直角,小微做折纸游戏,她将长方形纸片
折叠,使点B落在
边上,压平后得到折痕
,下列结论正确的有( )个.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/24/a1d7b90d-50c1-43df-8397-1307d4667532.png?resizew=161)
①连接
,则线段
被
所在直线垂直平分;
②E点一定是
中点;
③
;
④
;
⑤
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/24/a1d7b90d-50c1-43df-8397-1307d4667532.png?resizew=161)
①连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
②E点一定是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d9f10d4ebbc23dacfde5ac5854eed5f.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/458e1c1272fa11a8e431f8e59653a9e5.png)
⑤
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dfaba15c1d099cff6fc242cbe0230d0.png)
A.2个 | B.3个 | C.4个 | D.5个 |
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【推荐2】如图,在
中,
,
,则
边上的高
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a566b100fb2ebe3d208f9b6527934218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fffa3d9c32da53b0ea0c338012ea20c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/22/821a5d58-3711-4374-ab00-64671d326950.png?resizew=220)
A.1 | B.2 | C.3 | D.4 |
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