1 . 如图,在
中,
的垂直平分线交
于点D,交
于点E,若
的周长
,
的周长
,则
的长为_______ .
![](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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d8cc740f1c73ccff0db9e7f9b45bbd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80651f797ab9dccfd7163c605b091ad5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff748d864eeeefef79124c297c0675c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/29/5e9098b9-5647-4e4f-ac86-e805bba43139.png?resizew=137)
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2 . 如图,在
中,
,
,
的面积为12,
于点D,直线
垂直平分
交
于点E,交
于点F,P是线段
上的一个动点,则
的周长的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b10134e7a46e6f6f7cb9d5e2371727d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b757f0c42ae5c9a2d6a4b19e5877b27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0215e13a9fb5574d5194aeb9507a98aa.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acee03d4bb4667b6c345221b6c9b0fa4.png)
A.6 | B.7 | C.10 | D.12 |
您最近一年使用:0次
2024-01-29更新
|
319次组卷
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19卷引用:陕西省渭南市白水县2023-2024学年八年级上学期期末数学试题
陕西省渭南市白水县2023-2024学年八年级上学期期末数学试题河南省安阳市殷都区2020-2021学年八年级上学期期末数学试题云南省曲靖市麒麟区第七中学2021-2022学年八年级上学期期中数学试题(已下线)专题2.2 最值模型之将军饮马 专项讲练-2022-2023学年八年级数学上册重难题型全归纳及技巧提升专项精练(浙教版)(已下线)八年级数学下学期期中模拟卷 -【单元测试】2022-2023学年八年级数学下册分层训练AB卷(湘教版)(已下线)专题5.1 生活中的轴对称 重难点题型12个-2022-2023学年七年级数学下册重难题型全归纳及技巧提升专项精练(北师大版)广东省台山市育英中学2021-2022学年八年级上学期第二次月考数学试题天津市第五十五中学2023-2024学年九年级上学期期中数学试题四川省泸州市合江县2023-2024学年八年级上学期期中数学试题湖北省咸丰县民族中学2023-2024学年八年级上学期第三次月考数学试题广东省惠州市大亚湾区博雅培文实验学校2023-2024学年八年级上学期月考 数学试题广西壮族自治区防城港市防城区2024年八年级上学期期末数学试题天津市河东区2023-2024学年八年级上学期期末数学试题湖北省十堰市2023-2024学年八年级上学期期末数学试题湖北省十堰市竹溪县城关初级中学2023-2024学年八年级上学期期末数学试题 湖北省十堰市张湾区、茅箭区、郧阳区等2023-2024学年八年级上学期期末数学试题(已下线)易错04 三角形1(八大易错分析 避坑大招 学以致用 易错题通关)-备战2024年中考数学考试易错题(全国通用)山东省德州市庆云县崔口镇初级中学2023-2024学年八年级下学期3月份单元检测数学试题湖南省怀化市洪江市实验中学2023-2024学年八年级下学期期中数学试题
3 . 如图,在
中,
,
,
,
是
边上的中线,
、
分别是
、
上的动点,连接
,
,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/454328a8e75953fdb0835ce80d9566e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ee826937d2add7a93aaa1422f8b736.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.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/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e95e98288acdd662de9a3dae1fcf0368.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/29/1494dcbc-5fe5-4931-97d1-0be76ddfdb2c.png?resizew=107)
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4 . 如图,在
中,请用尺规作图法,在
边上求作一点
,使得点
到点
、
的距离相等.(保留作图痕迹,不写作法)
![](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/dad2a36927223bd70f426ba06aea4b45.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/29/e6c653e1-fc38-41c7-8fcb-6e2db08c90f4.png?resizew=182)
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5 . 如图,在锐角
中,
,请用尺规作图法,在
边上找一点P,使
.(保留作图痕迹,不写作法)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a427709e6575431882877cda3b59ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249adb96cefc5a522afaf264afec98d5.png)
您最近一年使用:0次
2024-01-28更新
|
124次组卷
|
2卷引用:陕西省西安市西安高新第一中学2023-2024学年九年级上学期期末数学试题
6 . 如图,
中,
,
,
的面积为20,腰
的垂直平分线
分别交边
,
于点
,
,若
为
边的中点,
为线段
上一动点,则
的最小值为________ .
![](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/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](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/49b50357a6545cae8348e3059312f520.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/549d696f3649555241f2c6069d019da4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/26/043df11d-80b8-49f8-a131-1c3a37cda000.png?resizew=209)
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7 . 尺规作图:(保留作图痕迹,不写作法)
如图,已知锐角
,
,在
内部求作一点P.使
,且
.
如图,已知锐角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b81aa981863ca3ae4eaccb212f68fd13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c383691e8d740830a865b12d66f7633.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a2d62996b3b64d066199e859afddbd7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/16/ecab298e-eaac-42bb-830c-5e7fd93e6d9e.png?resizew=161)
您最近一年使用:0次
2024-01-25更新
|
65次组卷
|
2卷引用:陕西省 西安市西安交大附中航天学校2023-2024学年八年级上学期开学试题数学试题
8 . 如图,在
中,
,
,
是
边上的高.线段
的垂直平分线交
于点E,交
于点F,连接
.则
的度数是________ .
![](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/ed10ad623f3a05ecdc27b3f3e0169669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.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/03902478df1a55bc99703210bccab910.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/e359bc7a47c723102813220ef7283177.png)
您最近一年使用:0次
2024-01-25更新
|
36次组卷
|
2卷引用:陕西省宝鸡市陇县2023-2024学年八年级上学期期末数学试题
9 . 如图,点A,B,C在同一条直线上,
,
是线段
的垂直平分线,交
于点D,则
的度数为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/23/98146ec1-c6b3-4ad2-94d1-6cfd2298b02a.png?resizew=134)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852460ad317a315b565b7364347656fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79cd9d0d73549e2944578f3513631ce5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/23/98146ec1-c6b3-4ad2-94d1-6cfd2298b02a.png?resizew=134)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
10 . 如图,在
中,点
是
的中点,连接
,
垂直平分
,垂足为
,
是
的中点,连接
,求证:
是
的垂直平分线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/03902478df1a55bc99703210bccab910.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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/24/8e9d8e33-5dce-4a59-a627-e4148600c697.png?resizew=146)
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2024-01-24更新
|
92次组卷
|
3卷引用:陕西省安康市白河县2023-2024学年八年级上学期期末数学试题