1 . 如图,在
中,
,
的垂直平分线
交
于点
,且
,则
的度数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d5efd1f8cf94ccfbaf16345664108ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17101383eb0787edaaa35adfcd20d5c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc9a89d0d1c97b88c0f4acd32b4e67.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/25/70edfae5-d873-40fe-a2c7-710b8bdb24a9.png?resizew=214)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2 . 问题解决:(1)如图1,在四边形
中,A为
上一点,且
,若
,则求证:
.
拓展探究:(2)如图2,A、B为线段
的垂直平分线上两点,且
,过点B作
于E点,
的垂直平分线交
于F点,连
、
.试求
的度数.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/27/1b9ab2a5-3e44-40ff-85e0-8130cc9091ac.png?resizew=311)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa7bbd7831e9ff4f8cffc8889d34f05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0236057a550cb5ff02dedd15e1c48f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a6574405000dab3fec93b438aa2de0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
拓展探究:(2)如图2,A、B为线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c220eadc312101e2fb89dfe920f7b30d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d320f180419175d75eebc618cc458b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f90026b96116424a245b335b1adb886b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/27/1b9ab2a5-3e44-40ff-85e0-8130cc9091ac.png?resizew=311)
图1 图2
您最近一年使用:0次
3 . 如图,在
中,
,
,
,
边的垂直平分线
交
于点D,连接
,则
的长为 _____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b8b98b2f83279a49e94d9f48c5e6f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7099026716ee1821dd7d9f157dc055f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.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/03902478df1a55bc99703210bccab910.png)
![](https://img.xkw.com/dksih/QBM/2024/3/23/3459817707487232/3461922643755008/STEM/35148b9e859047368e3ce449d09d46d6.png?resizew=211)
您最近一年使用:0次
4 . 如图,在
中,
边的垂直平分线交
于D,交
于M,
边的垂直平分线交
于E,交
于N,
与
相交于点F.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/27/ea80d1e3-c01e-4e7d-a424-d3435c500040.png?resizew=230)
(1)若
的周长为
,求
的长;
(2)若
,求
的度数;
(3)若
,直接写出
.(用
的式子表示)
![](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/60ef95894ceebaf236170e8832dcf7e3.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15a424b50eaeafa6f302ffd95476cb86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c4c865445dda4a59b6d5cb18fd74404.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/27/ea80d1e3-c01e-4e7d-a424-d3435c500040.png?resizew=230)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12225a1a1eda07908309f8100cc34726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbe9f7abf7bcf4e1aa2579cd191d7761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58a5a042072cc1e0983faf4c2b0a8a85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52f8eff113ca3f0d0200253c7c2f5a7a.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67730019eec7bb987f2d2d1d36566de0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c91b34881289fa16fc63489aae8140fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
名校
5 . 如图,在
中:
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/26/217c4bb7-c198-43d1-b558-6fa8f2495cf1.png?resizew=168)
(1)用尺规,在
上找一点
,使点
到
、
两点的距离相等;(不写作法,保留作图痕迹)
(2)连接
,已知
的周长为
,
的周长为
.求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/26/217c4bb7-c198-43d1-b558-6fa8f2495cf1.png?resizew=168)
(1)用尺规,在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f398c9ec30f5dd398b6641201fc521a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a783e5ffcf7a4ea9e531ea76199487.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0473cc611d10cf2529fd2f9be6296869.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
您最近一年使用:0次
名校
6 . 已知,如图,
中,
的垂直平分线与
的外角平分线交于点D.
于E,
于F,则下列结论:(1)
,(2)
,(3)
,(4)
.其中正确的有( )个.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/26/c11fa551-6c8c-4d4b-b539-d961246c0ef7.jpg?resizew=173)
![](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/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68fbbd17c89f03dbb61cd6ffdb9a0344.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d276d0010fd458383ea3dd61415e1aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47885b5fb28a7a8227ba9c9c4a42a3c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a768c024df6a4437dce77a726b3da18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d5ddf64b50888a89ce973a7cb4dda03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/442e019110c41a26ac2588e9cb729ef7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/26/c11fa551-6c8c-4d4b-b539-d961246c0ef7.jpg?resizew=173)
A.1个 | B.2个 | C.3个 | D.4个 |
您最近一年使用:0次
7 . 如图,在
中,
,点
在
的垂直平分线上,将
沿
翻折后,使点
落在点
处,线段
与
相交于点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a2e32ce2eb3cb59783534a267fc5be6.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53411c19d804ca7844d719b2fca2659f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87cdc08e1c4a04a18d5ecea03393e36d.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/1a2e32ce2eb3cb59783534a267fc5be6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/1/4d31aeed-7276-4b0f-9d8b-1bcd1f9bb843.png?resizew=171)
您最近一年使用:0次
2024-03-25更新
|
181次组卷
|
3卷引用:四川省绵阳市2023-2024学年八年级上学期期末数学试题
名校
8 . 如图,在平行四边形
中
分别是
上一点,四边形
沿着
翻折得到四边形
,若
恰好是线段
的垂直平分线且垂足为
,
,则四边形
的面积为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf9b288c48c73463a2f214f02b6952a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c28d2790a97390935125aa897417f970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/946c16d99496d31ce4d87301a4793393.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/976f4ac656b3b8d7e6745daa9c2ee4d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/569065015a2e8dc55209a141e4cf9dd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06fa0a286a55692e4263a5993b01580b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d004bcbde8cc810247a1c3f0e6cd237.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/25/96018b05-f4c9-4f22-a657-490a9e76daae.png?resizew=241)
您最近一年使用:0次
9 . 如图,在
中,
,边
的垂直平分线
分别交
,
于点M,N,点D是边
的中点,点P是
上任意一点,连接
,
,若
,
,当
周长取到最小值时,
,
之间的数量关系是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/12/1c4fb103-a4fe-4cad-9920-5b22fdbbbdf8.png?resizew=98)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fd465973943bcd766b5275ee204bbf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01d69c5379e6a17ca584e626afb662dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177678001b2ccde1db8f57fa5e017002.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/12/1c4fb103-a4fe-4cad-9920-5b22fdbbbdf8.png?resizew=98)
A.![]() | B.![]() | C.![]() | D.以上都不正确 |
您最近一年使用:0次
名校
10 . 如图,在
中,
,在
上取一点D,以
为直径作
,与
相交于点E,作线段
的垂直平分线
交
于点N,连接
.
是
的切线;
(2)若
的半径为1,求线段
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](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/85c4bdfb0db1e31e8459df1d15f9ab55.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/6c4c865445dda4a59b6d5cb18fd74404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c4c865445dda4a59b6d5cb18fd74404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c851151da49f589695368b8e6917d95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c4c865445dda4a59b6d5cb18fd74404.png)
您最近一年使用:0次
2024-03-24更新
|
210次组卷
|
10卷引用:2023年湖北省孝感市云梦县实验初级中学中考三模数学试题
2023年湖北省孝感市云梦县实验初级中学中考三模数学试题江苏省高邮市南海中学2023-2024学年九年级上学期第一次学情调研测试数学试题北京景山学校2023-2024学年九年级上学期期中数学试题江苏省徐州市鼓楼区树人初级中学2023-2024学年九年级上学期期中数学模拟试题江苏省镇江市丹徒区2023-2024学年九年级上学期期中数学试题江苏省泰州市兴化市常青藤学校联盟2023-2024学年九年级上学期第一次月考数学试题江苏省泰州中学附属初级中学2023-2024学年九年级下学期(苏科版)数学第一次月考模拟试题2024年辽宁省大连市新中考数学模拟练习模拟预测题2024学年辽宁省丹东市凤城市九年级下学期成绩监测数学模拟预测题山东省枣庄市峄城区2023-2024学年九年级下学期期中数学试题