1 . 综合与探究
如图,在
中,
,M为线段
上一动点(不与B,C重合),过点M作
于点P,延长
至点N,使
,连接
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/16/dc50ce21-d0d1-4ab8-bf35-9c3122c512b4.png?resizew=345)
(1)求
的度数;
(2)如图1,当M为
的中点时,判断
与
的位置关系,并说明理由;
(3)如图2,点C关于
的对称点为D,连接
交
于点E,连接
,
,若
,求
的度数.(用含
的代数式表示)
如图,在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392b9e1a179a6676362679354a9e7e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb15c0cbbc5f0967d2a799e7a82f5648.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/438f34bc8b04e8c494b91306ac6fe352.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52a60cc67d97e407ab765f6b7dfd5d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaae35d4ce0b615993cdd627de16442e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/16/dc50ce21-d0d1-4ab8-bf35-9c3122c512b4.png?resizew=345)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e470b9b1ab6b8db7d19dc1e48ad6f09b.png)
(2)如图1,当M为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/167d31eb8432b5c0364316e5048c23dd.png)
(3)如图2,点C关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be2e2c0d4ac2bd79f6cea7a9b1a50662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3533837e3d08c461dea031a44e5424d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e77432f6707f00dc139ab08f11672de9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0446ade2f02c9cdb6bb098ecaa6adf5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4067b50a6aa2a6462f1d9df4b093f66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
2024-01-30更新
|
29次组卷
|
2卷引用:山西省吕梁市兴县2023-2024学年八年级上学期期末数学试题
2 . 如图,在
中,
的面积是42,
的垂直平分线
分别交
边于点
,
,若点
为
边的中点,点
为线段
上一动点,则
周长的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/670250feeda108112dc95e8bc327d361.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/7dec2ca6438c82b43f746057d8129885.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/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/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f2281cb6df0c3c518ce5ed19a02b57e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/30/b2106654-a233-48d8-ba09-afd7b1479485.png?resizew=117)
您最近一年使用:0次
3 . 如图,在
中,
,
,
的垂直平分线交
于点E,
的垂直平分线交
于点F,则
的周长是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29edec1f0ccd57a096fa9ef344d23568.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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c105d6ba18fbb0581fb982175e2eac9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/28/cc13d8d4-3b74-4fa9-80c9-09080c5f16c0.png?resizew=182)
A.8 | B.7 | C.6 | D.5 |
您最近一年使用:0次
4 . 请仔细阅读下面的材料,并完成相应的任务.
作角的平分线
数学兴趣课上,老师让同学们利用尺规作
的平分线,同学们以小组为单位展开了讨论,勤学小组展示了学习过的作法∶如图1,以点O为圆心,任意长为半径作弧,分别交
,
于点M,N;再分别以点M,N为圆心,大于
的长为半径作弧,两弧相交于点P,作射线
,则
即为
的平分线.
勤学小组的证明过程如下:
连接
,
.
……
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/28/f17ce9db-0067-427f-89c7-e25e2f1a3775.png?resizew=263)
任务:
(1)请按照上面的材料,写出该证明的剩余部分;
(2)在图2中再设计一种不同的方法作
的平分线.(要求∶尺规作图,保留作图痕迹,不写作法)
作角的平分线
数学兴趣课上,老师让同学们利用尺规作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae7a3e520a16d4fdd73c4e6a4ce7be0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d62e8aadaadebf1454fde21a390ebdea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94e1ca12da27075e5241b7c7ce74672.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0101a7b5c8a4aed0de2af363792e39a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0101a7b5c8a4aed0de2af363792e39a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
勤学小组的证明过程如下:
连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d9792485ccd1ba479ceba6397c15ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1b418d67b301ebfd7db583aa176e28.png)
……
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/28/f17ce9db-0067-427f-89c7-e25e2f1a3775.png?resizew=263)
任务:
(1)请按照上面的材料,写出该证明的剩余部分;
(2)在图2中再设计一种不同的方法作
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
您最近一年使用:0次
5 . 如图,在
中,
,
,分别以
为圆心,大于
的长为半径画弧,两弧交于
两点,作直线
,分别交
,
于点
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10f1f15400d48e7b756e87e3f566aabe.png)
______ .
![](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/56d3c9ce32b721995f355eea411340e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae6f48b9a53c0155a692509cf31f7e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d49404351575703cfe8325d1352ec9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3648c864f9f58da1dbb166fee84cfeaf.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/231c3e0c5366da20b9c8de0423e7a7d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10f1f15400d48e7b756e87e3f566aabe.png)
您最近一年使用:0次
2024-01-28更新
|
67次组卷
|
2卷引用:山西省吕梁市孝义市2023-2024学年八年级上学期期末数学试题
6 . 如图,在
中,
,
是
的垂直平分线,分别交
,
于点D,E,连接
,
平分
,若
,则
的长为___________________ .
![](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/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/377b5f7197e5bd1afeea4d931307956a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/27/eb31245e-a37a-414f-8bf0-44e50179706b.png?resizew=181)
您最近一年使用:0次
7 . 如图,在等腰三角形
中,
,
,
的垂直平分线
分别交
,
于点D,E,点F为
的中点,点P为直线
上的一动点.若
的面积为15,则
的周长的最小值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/28/1cc10a98-93aa-4d36-ab04-5bdd7dc43ee3.png?resizew=139)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7788830ed1cb3b9c5988f70f43595f2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c3a4638e2eb4e684b73416fb6a0f344.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/28/1cc10a98-93aa-4d36-ab04-5bdd7dc43ee3.png?resizew=139)
A.5 | B.![]() | C.10 | D.11 |
您最近一年使用:0次
8 . 如图,在
中、
的垂直平分线分别交
,
于点
.若
是等边三角形,
.则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd7fa9d70f03e1206629649addd8dddc.png)
__________
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/6a373959bb9026f8a09845c0b828bf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36691f0269294ecae8f00b7bce97756c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c21c479fd42e7e4fda88ca8c14a5d3a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd7fa9d70f03e1206629649addd8dddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9efa9fbcfb9595e2f031aa691db4564b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/25/77415afe-362d-4d28-8b59-35551e839752.png?resizew=160)
您最近一年使用:0次
名校
9 . 如图,
垂直平分
垂直平分
,若∠
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad75bdd17013af544fc97ab1dcecb873.png)
_______ 度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c812f5c8bfd42bcc74ec6cff9dfef1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51cdee6c0ca0767830201ff7c2bfcb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad75bdd17013af544fc97ab1dcecb873.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/11/1393519f-3445-44dd-bed7-04c3ac0e73e4.png?resizew=220)
您最近一年使用:0次
2024-01-23更新
|
177次组卷
|
19卷引用:山西省太原师范学院附属中学2020-2021学年八年级下学期3月月考数学试题
山西省太原师范学院附属中学2020-2021学年八年级下学期3月月考数学试题上海市浦东新区第四教育署2020-2021学年八年级上学期期末教学质量自主调研数学试题2021年广东省佛山市南海区桂城街道映月中学九年级下学期第一次月考数学试题(已下线)专题07 轴对称(重难点突破)-【练好重点题】2021-2022学年八年级数学上学期综合训练卷(人教版)上海市浦东新区第四教育署2020-2021学年八年级上学期期末数学试卷(五四学制)上海市松江区2021-2022学年八年级上学期期末数学试题贵州省毕节市三联教育集团2020-2021学年七年级下学期数学期末联考试题(已下线)上海期末精选50题(提升版)-2021-2022学年八年级数学上学期期中期末考试满分全攻略(沪教版)广东省深圳市龙华区外国语学校2020-2021学年八年级下学期期中数学试题广东佛山市南海区狮山镇大圃初级中学2021-2022学年八年级下学期 五月月考数学试题(已下线)第11讲 线段垂直平分线、角平分线及轨迹(4大考点)-2022-2023学年八年级数学上学期考试满分全攻略(沪教版)上海市罗南中学2022-2023学年八年级上学期期末考试数学试题陕西省西安华山中学2022-2023学年八年级下学期第二次月考数学试题河南省商丘市睢阳区第五中学2023-2024学年八年级上学期期末数学试题上海市浦东新区部分学校联考2023-2024学年八年级上学期期末数学试题湖南省娄底市娄星娄底市第二中学2023-2024学年九年级下学期开学考试数学试题上海市静安区市北初级中学2021-2022学年八年级上学期期末数学试题广东省佛山市南海区桂城街道映月中学2023-2024学年八年级下学期月考数学试题山东省枣庄市枣庄市第四十一中学2023-2024学年八年级下学期3月月考数学试题
10 . 如图,在
中,
,
,
垂直平分
分别交
,
于点
,
,连接
,点
在直线
上方运动,设
,
,则
与
之间的函数关系用图象可以大致表示为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/16/41b8c2b7-3aad-408f-be52-29da9c607180.png?resizew=122)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a69550d878381f6e8fb436e88638f070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.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/f52a58fbaf4fea03567e88a9f0f6e37e.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/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c34eff4d793873d9e812d75d90fd10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5581ca6f763100f8709b073d8737eb74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/16/41b8c2b7-3aad-408f-be52-29da9c607180.png?resizew=122)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-01-20更新
|
89次组卷
|
2卷引用:山西省运城运康中学、东康一中2023-2024学年九年级上学期期末数学试题