1 . 如图,在
中,
,斜边
的垂直平分线交
于点D,交
于点E,连接
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/4770085d-fc34-4e9c-9ea9-9963fd31690c.png?resizew=175)
(1)若
是
外接圆的切线,求
的大小;
(2)当
时,求
外接圆的半径.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/24/4770085d-fc34-4e9c-9ea9-9963fd31690c.png?resizew=175)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2689f0ce5ab3467d8214794d8acb2bd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194741f4d2ae7ee44cafca780361446a.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e35d5a83415407c0eb9a7b5f41387d71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2689f0ce5ab3467d8214794d8acb2bd6.png)
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名校
2 . 在矩形
中,
点P为对角线BD垂直平分线上一点,且
则AP的长是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97df95bd16acca4ced7de74ea2e599be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/536f6dc8bfc62360e0c18cc42fb2710c.png)
您最近一年使用:0次
2022-11-19更新
|
172次组卷
|
5卷引用:黑龙江省哈尔滨市风华中学校2022-2023学年九年级上学期九月份阶段测试数学试卷
3 . 如图,在
中,
,分别以点A、B为圆心,大于
的长为半径画弧,两弧相交于点M、N,作直线
交
边于点D,连接
,
的周长为17,则
的长为 ___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c65edad25ddd666cdce0d7e5afefc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3ad4c0ba3a6750537789844d0ec419d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d49404351575703cfe8325d1352ec9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8db215c20a20c90e7591da5895c6926b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/21/db3f4318-aea6-4a21-a4ee-f3dc30cd0af0.png?resizew=179)
您最近一年使用:0次
2022-11-18更新
|
279次组卷
|
4卷引用:海南省省直辖县级行政单位琼海市2020-2021学年九年级上学期期中数学试题
海南省省直辖县级行政单位琼海市2020-2021学年九年级上学期期中数学试题湖南省邵阳市第七高级中学2022-2023学年八年级上学期期中考试数学试题(已下线)专题1.11 线段的垂直平分线(巩固篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(北师大版)宁夏回族自治区石嘴山市第九中学2022-2023学年八年级上学期期末数学试题
名校
4 . 如图,点
是矩形
的中心,
是边
上的点,沿
折叠后,点
恰好与点
重合,若
,则折痕
长度为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65fc998d33cdf37c272f79cfd64b7b99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/21/a1ef3c44-0a0b-4ae7-a733-23ebc07d502c.png?resizew=186)
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5 . 如图,在矩形ABCD中,对角线BD的垂直平分线MN与AD相交于点M,与BD相交于点O,与BC相交于点N,连接BM、DN.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/20/8a97f249-9b06-4fde-a4b3-4d7147d2742e.png?resizew=172)
(1)求证:四边形BMDN是菱形;
(2)若AB=4,AD=8,求△BMD的面积.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/20/8a97f249-9b06-4fde-a4b3-4d7147d2742e.png?resizew=172)
(1)求证:四边形BMDN是菱形;
(2)若AB=4,AD=8,求△BMD的面积.
您最近一年使用:0次
2022-11-16更新
|
409次组卷
|
3卷引用:广东省深圳市翠园教育集团2022-2023学年九年级上学期期中数学试卷
6 . 如图,在平面直角线坐标系中,点A,B在反比例函数
的图象上运动,且始终保持线段
的长度不变,M为线段
的中点,连接
,则线段
的长度最小值是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90678a404b0c5a139c5ed8a51be1b62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cedd51383f8f047f565191b128cec637.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/18/bf111c07-941b-4630-8627-f49840b836a9.png?resizew=194)
您最近一年使用:0次
2022-11-16更新
|
134次组卷
|
5卷引用:山东省淄博市淄川区淄川第二中学2021-2022学年九年级上学期期中数学试题
山东省淄博市淄川区淄川第二中学2021-2022学年九年级上学期期中数学试题(已下线)专题11.26 反比例函数(最值问题)(基础篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(苏科版)(已下线)专题11.27 反比例函数(最值问题)(巩固篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(苏科版)(已下线)专题6.26 反比例函数(最值问题)(基础篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(浙教版)(已下线)专题6.27 反比例函数(最值问题)(巩固篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(浙教版)
名校
7 . 如图,在
中,
,
,
的垂直平分线交
于D,交
于E,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae248960d8c1677cf948f8251275e863.png)
___________
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54486ba185c2598d90d996821c7e8159.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/b02c81b44c7678ca8001cc6a8eeea5b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae248960d8c1677cf948f8251275e863.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/cc87fef8-d489-4d7e-8002-45428066c460.png?resizew=164)
您最近一年使用:0次
2022-11-16更新
|
347次组卷
|
6卷引用:2023年广东省广州市南武中学中考二模数学试题
名校
8 . 如图,在
中,
,点M在
的延长线上,把线段
绕点B顺时针旋转
得到线段
,在射线
上截取
,连接
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/ca76a964-9a3d-446c-8e29-12f472b03265.png?resizew=120)
(1)请把图形补充完整;(要求:尺规作图,不写作法,保留痕迹)
(2)若点C是
的中点,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.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/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4e92f48e9bfe12d145f7d2a2f0360d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/17/ca76a964-9a3d-446c-8e29-12f472b03265.png?resizew=120)
(1)请把图形补充完整;(要求:尺规作图,不写作法,保留痕迹)
(2)若点C是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cd1bc0388e7fad3e849ca39c67f5034.png)
您最近一年使用:0次
9 . 如图,在
中,
的垂直平分线交
于点D,E.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/18/4fd78f01-dbe2-4690-b734-d36dea90e9d8.png?resizew=171)
(1)求证:
(2)当
时,求
的面积
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d89217bc844fe121fd7032d7d5fd35d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dec2ca6438c82b43f746057d8129885.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/18/4fd78f01-dbe2-4690-b734-d36dea90e9d8.png?resizew=171)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8572e7aa6d36113cc5ed43c47035378f.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1772fcf5995e63876fe258e38cfbdb03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2022-11-15更新
|
90次组卷
|
2卷引用:吉林省长春市榆树市八号镇第一中学2022-2023学年九年级上学期11月月考数学试题
10 . 如图,在
中,直径
垂直弦
于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/d662d7d6-129b-441f-ad65-49c9b6d9035e.png?resizew=149)
(1)求证:
;
(2)若
,
,求
的半径.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/d662d7d6-129b-441f-ad65-49c9b6d9035e.png?resizew=149)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56ee81929c987732fcb379802eeef7a7.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/addb8e20db1fbb40f17dea52f951b907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff7d2a2da5144f0bf6ce091c56b3d5a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
您最近一年使用:0次