已知,OA是⊙O的半径,延长AO至点B,使得OB=3OA=3,以B为直角顶点,作等腰直角△BMC,且满足点M始终在⊙O上(如图所示),连接OC,则OC的最大值为______ .
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/11/70519f6e-696d-4886-a1af-9201b5aeaec0.png?resizew=191)
2022·陕西西安·模拟预测 查看更多[4]
2022年陕西省西安市爱知中学九年级下学期诊断六数学试题(已下线)专题24.41 《圆》全章复习与巩固(巩固篇)(专项练习)-2022-2023学年九年级数学上册基础知识专项讲练(人教版)(已下线)专题3.44 圆(全章复习与巩固)(巩固篇)(专项练习)-2022-2023学年九年级数学下册基础知识专项讲练(北师大版)(已下线)黄金卷8-【赢在中考·黄金8卷】备战2023年中考数学全真模拟卷(陕西专用)
更新时间:2022-09-10 06:30:15
|
相似题推荐
填空题
|
适中
(0.65)
【推荐1】如图,在
和
中,
,
,
,连接
,延长
交
于F.交
于点G,且
垂直
,将
绕点A旋转至
时,若
,
,则
的值是 _________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a32bd7a1b78b5a0ec562c4025aea8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d212c1709b8e72a055cf1b5381ef64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26813466e2ee49a493881a4384fc8748.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8518c9bd112f86afb26eec99b01934d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf80148409afb32ced0b4f59f1ba709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a32bd7a1b78b5a0ec562c4025aea8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab47a785e0687f42e885e11497b7e969.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8832c5450a61500ccbf73d95e16f449.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4901a7eda97d6a307db76c4fb196ba3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06e322e0c87479bba874db9ae9ba36b5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/13/c9380fbc-3da6-4b18-a5f9-e5a975047be2.png?resizew=300)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】如图,已知直角三角形
中,直角边
,斜边
,将
沿
边翻折得到
,再将
沿着
边翻折得到
,连接
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5277fa450a0c513a86a74420f8ee99f6.png)
__________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f517953a21c2a45fd8465072c44bfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f517953a21c2a45fd8465072c44bfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5277fa450a0c513a86a74420f8ee99f6.png)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐1】在圆柱形油槽内装有一些油,截面如图,油面宽AB为4分米,如果再注入一些油后,油面AB上升1分米,油面宽变为6分米,圈柱形油槽的直径MN为_____ .
![](https://img.xkw.com/dksih/QBM/2019/11/13/2333040747913216/2333190706741249/STEM/2bcc51c3d0b44203b4029b38b3389592.png?resizew=121)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐1】如图,在
中,
,
,
,
与
关于
对称,点
、
分别是边
、
上的任意一点,且
,
、
相交于点
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8f88798ec42a58dccd212586382b23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392b9e1a179a6676362679354a9e7e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7ac5396c5ea442e0364b50c1db3d2da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1db2c0955e5a5be47faf855bca738a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/25/a5a801b4-8950-4680-a56a-97d6cb49a542.png?resizew=173)
您最近一年使用:0次
填空题
|
适中
(0.65)
【推荐2】点A、B在⊙O上,若∠AOB=40°,则∠OAB=_____ .
您最近一年使用:0次