如图,如图,平面直角坐标系中,已知定点
和
,若动点C在x轴上运动,则使
为等腰三角形的点C有( )个
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/3/5cfba8b4-8f39-4925-9c06-f56b58b247b6.png?resizew=125)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c6ff81aedbefa935da289dc632e78eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81b54b9cf95418bc3dce6e4c698b9907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/3/5cfba8b4-8f39-4925-9c06-f56b58b247b6.png?resizew=125)
A.1 | B.2 | C.3 | D.4 |
更新时间:2021-12-11 14:18:24
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【推荐1】如图,在平面直角坐标系中,正方形
的顶点
在
轴上,且
,
,则正方
的面积是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ee80939187a84e1863eeb192a301c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea28f18b994a18f96de3359b5daa2e2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
A.13 | B.20 | C.25 | D.34 |
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【推荐2】如图,⊙C过原点O,且与两坐标轴分别交于点A、B,点A的坐标为(0,2),M是第三象限内⊙C上一点,∠BMO=120°,则圆心C的坐标为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/15/968b4153-9753-44bf-a723-3ad8e846183c.png?resizew=199)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/15/968b4153-9753-44bf-a723-3ad8e846183c.png?resizew=199)
A.(1,1) | B.(1,![]() | C.(2,1) | D.(﹣![]() |
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【推荐1】如图,在
的边BC所在直线上找一点P,使得
为等腰三角形,则满足条件的点P共有( )
![](https://img.xkw.com/dksih/QBM/2019/12/19/2358477832069120/2358530525757440/STEM/1f9ee577718d4f7f90ee1249caf1d043.png?resizew=158)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3427f9d65de450509eac1a878efeaadf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0978ffda7108fedf5193c95e08cd5d6.png)
![](https://img.xkw.com/dksih/QBM/2019/12/19/2358477832069120/2358530525757440/STEM/1f9ee577718d4f7f90ee1249caf1d043.png?resizew=158)
A.2个 | B.3个 | C.4个 | D.5个 |
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【推荐2】如图,在平面直角坐标系中,点A在第一象限(∠1不等于60°),点P在x轴上.若以P,O,A为顶点的三角形是等腰三角形,则满足条件的点P共有( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/4/d6f6f889-78b1-4b74-b1f6-320a6672734b.png?resizew=312)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/4/d6f6f889-78b1-4b74-b1f6-320a6672734b.png?resizew=312)
A.2个 | B.3个 | C.4个 | D.5个 |
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【推荐1】如图,在平面直角坐标系中,点
在第一象限,
与
轴相切于点
,与
轴交于
,
两点,则点
的坐标是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d1d9218917d85a1dc19e60f076b8bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee3f3bf2facc948d1ec5cc487d355d12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4add2e96c9a55bfad94ff200ac00729.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/20/f2665563-17aa-4eb9-bf06-e2d5b15da777.png?resizew=160)
A.![]() | B.![]() | C.![]() | D.![]() |
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【推荐2】如图,在正方形
中,
,点
在边
上,且
,将
沿
对折至
,延长
交
于点
,连结
,
,下列结论:①
;②
;③
;④
,其中正确的是( )
![](https://img.xkw.com/dksih/QBM/2020/8/14/2527773667491840/2530487981072384/STEM/b2fe9fc0-9546-44d3-9c45-41eccebd4819.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1fc95a7d8996ebdf0494061098bd1b6.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/16c865613ac9fb0b0ab0bb0f52fff339.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca2698f08d94afa1cd5b81444791f4c7.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0e2233a5e812e006e037a1533d5dc8c.png)
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![](https://img.xkw.com/dksih/QBM/2020/8/14/2527773667491840/2530487981072384/STEM/b2fe9fc0-9546-44d3-9c45-41eccebd4819.png)
A.①②③ | B.②③④ | C.③④① | D.①②④ |
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