如图,在四边形
中,点
在边
上,
,
,
,
,则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1c04af96b222b46740ad7e7b348090f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca52a48004e269418265bbb27fc6b58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a510a3eb906b3ef0760b0d1723d11ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06a2ab6940dca62be1f3b2b5f8531990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc9a89d0d1c97b88c0f4acd32b4e67.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/26/65c773fb-ee56-4f1a-9cc2-bf6e3b509874.png?resizew=250)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2023-07-26 10:20:30
|
相似题推荐
单选题
|
较易
(0.85)
名校
【推荐1】在
中,三个内角分别为
、
、
,三边长分别为a、b、c,根据下列条件,不能判定
是直角三角形的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc9a89d0d1c97b88c0f4acd32b4e67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194741f4d2ae7ee44cafca780361446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
单选题
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较易
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解题方法
【推荐1】如图,在△ABC中,∠ACB=90°,AC=BC,D是AB边上一点(点D与A,B不重合),连结CD,将线段CD绕点C按逆时针方向旋转90°得到线段CE,连结DE交BC于点F,连接BE.当AD=BF时,∠BEF的度数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/11/0f4a5b60-f505-458c-83ee-8075cdce1133.png?resizew=167)
A.45° | B.60° | C.62.5° | D.67.5° |
您最近一年使用:0次
单选题
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【推荐2】如图,在
中,
,
,
,则
的度数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423d097c97a4c28f5c56f69d6da4bd97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9d61389dc16384d6a2610cac09303a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8160b5db7d2a8421098e31f3759889d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74e5014645768575aac2578f228f8401.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/3/1fec5641-45af-4f43-bfaf-f29bfc0fedb6.png?resizew=247)
A.50° | B.60° | C.70° | D.80° |
您最近一年使用:0次
单选题
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较易
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【推荐1】如图,平面直角坐标系中,已知定点A(3,0)和B(0,4),若动点C在y轴上运动,则使△ABC为等腰三角形的点C有( )个.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/957f19c6-3d2e-4541-b6b2-979edd63675e.jpg?resizew=157)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/957f19c6-3d2e-4541-b6b2-979edd63675e.jpg?resizew=157)
A.3 | B.4 | C.5 | D.6 |
您最近一年使用:0次
单选题
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【推荐2】如图,在
中,
平分
,
于点D,过点D作
,交
于点E,若
,则
的长为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/2dfc7dfa-e166-4435-8695-3e0905eed5c3.png?resizew=152)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93380ab8eccc6e6f11bdf19ffc2d4cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca14fa885a9d04f04e0418b49b118241.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/2dfc7dfa-e166-4435-8695-3e0905eed5c3.png?resizew=152)
A.2.5 | B.3 | C.3.5 | D.4 |
您最近一年使用:0次