1 . 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
2 . 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)
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3 . 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)
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|
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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(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(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
名校
4 . 如图,在等腰三角形
中,
平分
垂直平分
交
于点
,则
的长是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/029222a5dff22df03218fc4c76f73c0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/933926a18552f8a3b9cd6ab28212e1e4.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
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2024-01-17更新
|
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5卷引用:山西省晋中市介休市2023-2024学年八年级下学期期中数学试题
名校
5 . 如图,在
中,
边的垂直平分线
与
的平分线
交于点
.
交
的延长线于点
,
交
于点
.
,
.则
的长是__________ .
![](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/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab00e0cff0876c4183a47f1272cf9928.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827beb23a9fe02a8b588645bcb82ce67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/348216467fda035329fe8fac46b39911.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/0e4b557e-2825-4751-b0bd-538ffe601473.png?resizew=176)
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6 . 如图,已知
中,
,
,
,
是
边上的一个动点,点
从点
开始以
的速度向点
运动,设运动的时间为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/9a1ce91c-9be5-4065-bd40-c60615237803.png?resizew=153)
(1)判断
的形状,并说明理由.
(2)若
是等腰三角形,求此时的运动时间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f5a152f235942d11c74ef518fca7bba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea6d6597d07c8e98ca0c21d2527942ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/658dfdb747bd314cd22e3a526aba5ec6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240ecdd3d8ef73e6a7c3b9bc6b03409.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65a54eb2123d9eafa3b923287abe8b5e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/9a1ce91c-9be5-4065-bd40-c60615237803.png?resizew=153)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/147de24f071e316b68fd2e78e3c84545.png)
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7 . 如图,在
中,
,
,分别以点
和点
为圆心,大于
的长为半径作圆弧,两弧相交于点
和点
,作直线
,交
于点
,连接
,则
的度数为( )
![](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/713bb0199e6f0280f5556db313bbe694.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/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e142544a6d4e6851096afbd3cbad2fe2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/14/772bdd37-e0f2-4b53-810d-82c9232a3656.png?resizew=158)
A.23° | B.25° | C.27° | D.29° |
您最近一年使用:0次
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8 .
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.![]() ![]() |
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2024-01-14更新
|
65次组卷
|
5卷引用: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
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)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
名校
9 . 如图,在
中,
垂直平分
,分别交
、
于D、E,连接
,
平分
,交
于F,若
,
,则
的度数为( )
![](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/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/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7595bdaea3dfa548c0fcfe3708387476.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9cbf3ba8cb27906cb6b87dc0d6c440e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3909f220cf6bd065e382e263b77aa22.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-01-11更新
|
73次组卷
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10卷引用:山西省太原市第五中学校2022-2023学年八年级下学期月考数学试题
山西省太原市第五中学校2022-2023学年八年级下学期月考数学试题福建省泉州实验中学2022-2023学年八年级上学期期末质量检测数学试题 福建省泉州市永春县2022-2023学年八年级上学期期末质量监测数学模拟试卷(已下线)第01讲 轴对称-【帮课堂】2023-2024学年八年级数学上册同步学与练(人教版)(已下线)13.1 轴对称(题型精讲精练)-【题型分类精粹】2023-2024学年八年级数学上学期期中期末复习讲练系列【考点闯关】(人教版)重庆市巴南区巴南区全善学校2023-2024学年八年级上学期期中数学模拟试题(已下线)猜想03轴对称(易错必刷40题13种题型专项训练)-2023-2024学年八年级数学上学期期末考点大串讲(人教版)(已下线)期末真题必刷易错60题(32个考点专练)-2023-2024学年八年级数学上学期期末考点大串讲(人教版)(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)(已下线)专题02 线段的垂直平分线与角平分线(7大题型+优选提升题)-备战2023-2024学年八年级数学下学期期末真题分类汇编(北师大版)
23-24八年级·江苏·假期作业
10 . 如图,在
中,
,
,
是
的平分线且
,若
、
分别是
、
上的动点,则
的最小值是_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eeb0c8df3d8c5260768c5e407b3583a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b939af5ba06e279cce39396aaf0fae06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ee826937d2add7a93aaa1422f8b736.png)
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