如图,在平面直角坐标系中,
与
轴相切于点
,与
轴交于点
,
.若圆心
的坐标是
,则弦
的长度为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fef27cb7cb1b666c1734c65a7aa9aa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1beb189381103ad1e758fd8cfedb6355.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/8/20e526d7-4f94-4f58-970c-dfabc1f5e309.png?resizew=173)
A.3 | B.4 | C.5 | D.6 |
22-23九年级下·河北衡水·期中 查看更多[3]
河北省衡水市阜城第四中学2022-2023学年九年级下学期期中数学试题(已下线)(期中期末真题汇编)第24章 圆 (分层精练)-【题型分类精粹】2023-2024学年九年级数学上学期期中期末复习讲练系列【考点闯关】(人教版)山东省济宁市嘉祥县2023-2024学年九年级上学期期中数学试题
更新时间:2023-09-14 08:44:05
|
相似题推荐
单选题
|
适中
(0.65)
【推荐1】在平面直角坐标系
中,对于点
,如果点
的纵坐标满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1248a4101fde73b2cd17ab2506c51176.png)
,那么称点
为点
的“友好点”.如果点
的友好点
坐标为
,则点
的坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a737d1c87d49e5457d41b3cb247ee38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1248a4101fde73b2cd17ab2506c51176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48b35df4c91e2ae8d522cf5de2d35552.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3324d4c9c7f0ecb8965e356ad3efb305.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.![]() | B.![]() | C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】三名快递员某天的工作情况如图所示,其中点
的横、纵坐标分别表示甲、乙、丙三名快递员上午派送快递所用的时间和件数;点
的横、纵坐标分别表示甲、乙、丙三名快递员下午派送快递所用的时间和件数.①上午派送快递所用时间最短的是甲;②下午派送快递件数最多的是丙;③在这一天中派送所用时间最长的是乙;④在这一天中派送快递总件数最多的是甲.上述结论中,所有正确结论的序号是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6fa157b4f65f3a9aa1f7f82de02e99e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6724f6575e355f70b5bcbc3de35f2c9a.png)
A.①② | B.③④ | C.①③ | D.②④ |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】如图,四边形
是菱形,
,
,
于点H.点E是
上一点,且
,点F是
的中点.点P是线段
上一动点.点P在运动过程中,
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4494a85de0be0b97a69348115aef8513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47ecc7afe00204e8a97c6b1241376119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41a7cf70f8772d8fea4599b18df2c88f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/373556e176d34971bd7f096d01653fd5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e4fa04825ac7d071968056322d88be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de82b6657a6a89a3a3e8a96264a90c9d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐1】如图,在
中,点
在优弧
上,将弧
沿
折叠后刚好经过
的中点
.若
的半径为5,
,则
的长是( )
![](https://img.xkw.com/dksih/QBM/2021/5/12/2719585803411456/2721638362439680/STEM/885e1923-fa1c-4888-a4ca-18b670fb8baf.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/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed41d321f4c0717ac5b443aad942d9a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/d9620e97567191461f1a87aebb7b4f69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/667349d99185bb045030b733352ff7fd.png)
![](https://img.xkw.com/dksih/QBM/2021/5/12/2719585803411456/2721638362439680/STEM/885e1923-fa1c-4888-a4ca-18b670fb8baf.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】如图,
内接于
经过圆心
,过点
作
,交
于点
,交
于点
.若
,则
的长是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d765d23e4890eb0a2edc0b83258c1564.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdbab840d528f4ce7a9ef87e8446f84e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa2788c86a32202aac4ed7dbb008f818.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
A.3 | B.2 | C.5 | D.4 |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐1】一个含
角的三角尺与一张圆形硬纸片如图放置在桌面上,圆心
在斜边
上,三角尺的两直角边与圆相切,切点分别为
、
.若
,则阴影部分的面积为( )
![](https://img.xkw.com/dksih/QBM/2021/12/15/2873100747153408/2875987498483712/STEM/aad11683-f15d-4d80-91a8-bce6c0265942.png?resizew=197)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c4d2580b0098fecd28ce546b2fd23e9.png)
![](https://img.xkw.com/dksih/QBM/2021/12/15/2873100747153408/2875987498483712/STEM/aad11683-f15d-4d80-91a8-bce6c0265942.png?resizew=197)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐2】如图所示,在直角坐标系中,A点坐标为
,
的半径为2,P为x轴上一动点,
切
于点B,则
的最小值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/4a017862-821a-46c6-87ad-744c242eb05f.png?resizew=155)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663e2a3c6f6988e81c4ffcf1bddd1c4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c20d0b44025a639ce3a92d639dae587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c20d0b44025a639ce3a92d639dae587.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/4a017862-821a-46c6-87ad-744c242eb05f.png?resizew=155)
A.2 | B.3 | C.![]() | D.4 |
您最近一年使用:0次