1 . 如图,在
中,点E在
的垂直平分线上,且
,
平分
.若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ca90e8a784f990c4097eec9219908d.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/06a2ab6940dca62be1f3b2b5f8531990.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6344778ed1e75c1a99e2268468081867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d70dc2c20619a4fc12a0cfda59af5b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037b342a682cbd4241855a243da3c016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ca90e8a784f990c4097eec9219908d.png)
您最近一年使用:0次
2024-01-16更新
|
110次组卷
|
3卷引用:辽宁省铁岭市开原市2023-2024学年八年级下学期4月月考数学试题
辽宁省铁岭市开原市2023-2024学年八年级下学期4月月考数学试题广东省广州市海珠区2023-2024学年八年级上学期期末数学试题(已下线)八年级开学摸底考(江西专用)01-2023-2024学年八年级数学下学期开学摸底考试卷
2 . 已知,在平面直角坐标系中,A、B分别在x、y轴上,线段
,
,
的垂直平分线交x轴于点C,交
于点D.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/16/d40f49f7-609e-4a71-80c9-7c83f786a954.png?resizew=409)
(1)如图1,求A点坐标;
(2)如图2,
平分
,求
的长;
(3)如图3,
,E为射线
上一动点,连
,以
为边向下作等边三角形
,连
,当
最短时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc34db5860990e51ba31edc8cdd077c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f90455aad8110f3397ce72d063f60f25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/16/d40f49f7-609e-4a71-80c9-7c83f786a954.png?resizew=409)
(1)如图1,求A点坐标;
(2)如图2,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d22df2977de56cc69be0c1e847653d7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
(3)如图3,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/597792ffad991b9a20cea84ea50dfc27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d97dc3b752832906de41447bb58a341.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f636f76d550dfb593a25eb680cff556.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
您最近一年使用:0次
3 . 如图,在
中,
,
,
的垂直平分线
分别交
,
于点
,
.求证:
是等腰三角形.
![](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/ee54b9b398ce80cd054b56173fe810f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/15/de0f1b75-a796-4f73-a4ff-4a241c4d62f7.png?resizew=152)
您最近一年使用:0次
4 . 如图,在平面直角标系中,A,B两村庄位置的坐标分别为
,
,一辆汽车从原点O出发,沿x轴正方向行驶.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/15/85de684f-6732-4b12-afc9-93ba2b95cec1.png?resizew=134)
(1)如果汽车行驶到离A村最近的位置用点M表示,请你在图中画出点M,并写出点M的坐标;
(2)汽车行驶到点P时,到A,B两村的距离相等,请你在图中找出点P的位置,并求点P的坐标.(用尺规作图,不写作法和结论)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bc387da3c10d0ffde2a41a935cc1331.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc9f15e6be7ea799dd882e251f8ddea7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/15/85de684f-6732-4b12-afc9-93ba2b95cec1.png?resizew=134)
(1)如果汽车行驶到离A村最近的位置用点M表示,请你在图中画出点M,并写出点M的坐标;
(2)汽车行驶到点P时,到A,B两村的距离相等,请你在图中找出点P的位置,并求点P的坐标.(用尺规作图,不写作法和结论)
您最近一年使用:0次
名校
5 .
中,
,
边的中垂线与直线
所成的角为
,则
等于( )
![](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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fb94bd9eb80fb9f5f02f518bb8f2211.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc9a89d0d1c97b88c0f4acd32b4e67.png)
A.![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() |
您最近一年使用:0次
2024-01-14更新
|
63次组卷
|
5卷引用:辽宁省锦州市黑山县2023-2024学年八年级下学期期中数学试题
辽宁省锦州市黑山县2023-2024学年八年级下学期期中数学试题广东省珠海市香洲区珠海市第九中学2023-2024学年八年级上学期期中数学试题山西省吕梁市兴县东会中学2023-2024学年八年级上学期期中数学试题海南省海口市琼山区海南中学2023-2024学年八年级上学期期中数学试题(已下线)期中押题卷(一)(考试范围:第1~3章)-【好题汇编】备战2023-2024学年八年级数学下学期期中真题分类汇编(北师大版)
6 . 如图,在
中,
是
的垂直平分线,
,
的周长为
,则
的周长是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/12/d93214ef-71c8-43be-9ed1-a25d41555b48.png?resizew=217)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a5d992ef98236bad9728cf0d23644a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d062e2fd70631fac39b0fd23963dfbab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/12/d93214ef-71c8-43be-9ed1-a25d41555b48.png?resizew=217)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 如图,在中,
,
的垂直平分线交
于点E,交
于点D,且
cm,则
的长是( )
A.12cm | B.6cm | C.4cm | D.![]() |
您最近一年使用:0次
2024-01-12更新
|
78次组卷
|
6卷引用:辽宁省大连市2023-2024学年八年级上学期期中数学试题
辽宁省大连市2023-2024学年八年级上学期期中数学试题甘肃省白银市2022-2023学年八年级下学期期末数学试题甘肃省平凉市庄浪县柳梁中学2023-2024学年八年级上学期期末数学试题甘肃省平凉市庄浪县2023-2024学年八年级上学期期末数学试题(已下线)专题1.9 线段垂直平分线(知识梳理与考点分类讲解)-2023-2024学年八年级数学下册基础知识专项突破讲与练(北师大版)(已下线)专题1.10 线段垂直平分线(分层练习)-2023-2024学年八年级数学下册基础知识专项突破讲与练(北师大版)
8 . 探究式学习是新课程提倡的重要学习方式,某兴趣小组拟做以下探究.
(1)如图1,在三角形纸片
中,
,
,将
沿
折叠,使点A与点B重合,折痕和
交于点E,
,求
的长;
【深入探究】
(2)如图2,将长方形纸片
沿着对角线
折叠,使点C落在
处,
交
于E,若
,
,求
的长(注:长方形的对边平行且相等);
【拓展延伸】
(3)如图3,在长方形纸片
中,
,
,点E为射线
上一个动点,把
沿直线
折叠,当点A的对应点F刚好落在线段
的垂直平分线上时,求
的长(注:长方形的对边平行且相等).
(1)如图1,在三角形纸片
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e3262fc038bbec5e7c8cc47df08bef7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cb6ca11c8c7d9e7d5b926dc6399ee58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3818a2c9919d358b4c3713396093822b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d5a8fddaedd9f15e26db1df377da4c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
【深入探究】
(2)如图2,将长方形纸片
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c8a9c4957431681ddfc77895a88508.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e0f0ccc8492a0ccf1eee24867060643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
【拓展延伸】
(3)如图3,在长方形纸片
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
您最近一年使用:0次
2024-01-10更新
|
239次组卷
|
3卷引用:辽宁省沈阳市大东区2023-2024学年八年级上学期期末数学试题
辽宁省沈阳市大东区2023-2024学年八年级上学期期末数学试题(已下线)第17章 勾股定理(单元测试·综合卷)-2023-2024学年八年级数学下册基础知识专项突破讲与练(人教版)河南省驻马店市确山县2023-2024学年八年级下学期期中数学试题
9 . 如图,在
中,
的垂直平分线
交
于点
,
,且
,则
的度数是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/9/3eb5d218-3ef5-4919-8f61-4c08a07db2cb.png?resizew=157)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.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/af5b3967aa677f18e92912d2397f4907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17101383eb0787edaaa35adfcd20d5c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/060705794ef87cc71dac40c57f27b1d2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/9/3eb5d218-3ef5-4919-8f61-4c08a07db2cb.png?resizew=157)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
10 . 如图,在
中,分别以点
和点
为圆心,大于
的为半径画弧,两弧交于点
,
,作直线
,交
于点
,连接
,若
的周长为
,
,则
的周长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d49404351575703cfe8325d1352ec9.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/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7ac5396c5ea442e0364b50c1db3d2da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8da45c443af7994a26ffa9d8894e7262.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次