等腰直角三角形
在平面直角坐标系中的位置如图所示,点
的坐标为
,则点
的坐标为( )
![](https://img.xkw.com/dksih/QBM/2022/12/22/3136569693167616/3146927875031040/STEM/312483f853a24ccc88b533e1a72753c1.png?resizew=113)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a80347ee66eb38d56f9872fbfec3f1bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0698b833c173dffc834593a9ff3a14fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://img.xkw.com/dksih/QBM/2022/12/22/3136569693167616/3146927875031040/STEM/312483f853a24ccc88b533e1a72753c1.png?resizew=113)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2023-01-06 13:04:03
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【推荐1】如图,圆心在y轴的负半轴上,半径为5的
与y轴的正半轴交于点
.过点
的直线l与
相交于C、D两点,则弦
长的所有可能的整数值有( )条.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/9b87922e-bf43-4287-965d-2944d5b277a6.png?resizew=119)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6f6558fef858bf27e9811c2d9426fe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1082a19aa363ea6dc60d4e4c055daf3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/929b63e7b2df9db65b8081f05e0b8461.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6f6558fef858bf27e9811c2d9426fe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/9b87922e-bf43-4287-965d-2944d5b277a6.png?resizew=119)
A.1 | B.2 | C.3 | D.4 |
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【推荐2】如图,在平面直角坐标系中,已知
,
,以
为顶点,
为一边作
角,角的另一边交
轴于
(
在
上方),则
坐标为( )
![](https://img.xkw.com/dksih/QBM/2022/4/21/2963152199393280/2965133160677376/STEM/d0a14b20-0ab3-4fce-90bd-380706fb7096.png?resizew=167)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39ea1f5bdd213c7c3a571b4c38850bf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e15fe1396e91b5f3abe6a1744e449fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/2022/4/21/2963152199393280/2965133160677376/STEM/d0a14b20-0ab3-4fce-90bd-380706fb7096.png?resizew=167)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐1】如图,D为
内一点,
平分
,
,垂足为D,交
于点E,
,
,则
的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b937442ad4cc480adc11bb143559454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5348ba6e3f7711299ce35d421b3bac5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a6039c2a10dd789c85f0e46c1363e3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
A.2 | B.1.5 | C.1 | D.2.5 |
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【推荐2】在平行四边形
中,
,
是
的中点,过点
作
交
于点
,则下列结论:①
平分
,②
,③
,④
,⑤
,其中正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/2/9c1358ed-48a2-4f39-b1ec-e2f2123a59be.png?resizew=217)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a320a6a242be91347d1b241f6313251.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/992a19339adac3a2f1aab1fbc11b1c68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c36ff76f9f1ee12db562cde7a58b8c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b6454e6dcac51fde473a7217b07f684.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/2/9c1358ed-48a2-4f39-b1ec-e2f2123a59be.png?resizew=217)
A.①②⑤ | B.①②④ | C.①③④ | D.①③⑤ |
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【推荐1】如图,平行四边形
中,
的平分线
交
于E,
,
,则
的长( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/14/2ac6dd80-f636-4c3f-8d1b-2118b18baa37.png?resizew=227)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/14/2ac6dd80-f636-4c3f-8d1b-2118b18baa37.png?resizew=227)
A.4 | B.5 | C.5.5 | D.6 |
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【推荐2】已知在
中,
,根据图中的作图痕迹及作法,下列结论定成立的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/15/e0a240ad-2f6f-4308-a329-60b5079deb4a.png?resizew=164)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b54fefd178812e27c35e9ed9a85be9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/15/e0a240ad-2f6f-4308-a329-60b5079deb4a.png?resizew=164)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次