如图,在
中,
,
,过点
的圆的圆心在边
上,点
是优弧
(不与点
重合)上的一点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b27e47690ed332c573186992b6d25654.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab926d89b65f26c12e3da73ef1e5cf68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/098a3e7d1f1890863b7483a98b618119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/098a3e7d1f1890863b7483a98b618119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb985ac5d93b85b6299834627aa95ab7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/3/bbbca9f3-0611-4677-889f-090b214bca76.png?resizew=110)
A.![]() | B.![]() | C.![]() | D.![]() |
2020·河北邢台·二模 查看更多[3]
更新时间:2020-07-01 23:39:45
|
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单选题
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适中
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名校
【推荐1】如图,在⊙O中,
,
. 则
的度数为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b01898d4ad9757e07bddd6c26e59d1f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70bff33c80014e3025ca7f70fa5134d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fed1f57a835af4e9022e27603d12d31.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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【推荐2】如图,
内接于
,
,D是边BC的中点,连接OD并延长,交
于点E,则
的大小为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/5/f80c5d77-d09d-4c1f-8232-d1071d697c7d.png?resizew=115)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65c5840e0454fdec7d2158072c43b8db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b871a762469393cdd22f15aa49ebb8f9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/5/f80c5d77-d09d-4c1f-8232-d1071d697c7d.png?resizew=115)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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【推荐1】如图,
内接于
,
,
,点
在
上,连接
、
,
与
交于点
,若
,则
的度数为( )
![](https://img.xkw.com/dksih/QBM/2023/4/30/3227835056021504/3236957050060800/STEM/fe07fccfd09b49289825a1ac0e105bc6.png?resizew=145)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f455444d0b780f9ca6051fa8f2d6f73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
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![](https://img.xkw.com/dksih/QBM/2023/4/30/3227835056021504/3236957050060800/STEM/fe07fccfd09b49289825a1ac0e105bc6.png?resizew=145)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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【推荐2】如图,
是
的直径,
、
为
上的点,若
,
,若
平分
,则
长为( )
![](https://img.xkw.com/dksih/QBM/2019/11/13/2332897634770944/2333702850150400/STEM/c2dc32a2e3c14922a661b25a567b889d.png?resizew=155)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
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![](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/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/2019/11/13/2332897634770944/2333702850150400/STEM/c2dc32a2e3c14922a661b25a567b889d.png?resizew=155)
A.10 | B.7 | C.![]() | D.![]() |
您最近一年使用:0次
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【推荐1】如图,方格纸上每个小正方形的边长均为1个单位长度,点O,A,B,C在格点上,以点O为原点建立直角坐标系,则过A,B,C三点的圆的圆心坐标为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/3/33e21891-279f-457a-8cc4-737b812214e3.png?resizew=185)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/3/33e21891-279f-457a-8cc4-737b812214e3.png?resizew=185)
A.(-1,-2) | B.(-2,-1) | C.(1,2) | D.(2,1) |
您最近一年使用:0次
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适中
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【推荐2】在平面直角坐标系中,已知点P(-2,-1)、A(-1,-3),点A关于点P的对称点为B,在坐标轴上找一点C,使得△ABC为直角三角形,这样的点C共有( )个.
A.5 | B.6 | C.7 | D.8 |
您最近一年使用:0次