1 . 如图,在
中,
,
,
,
,将
沿射线
折叠,使点
与
边上的点
重合,
是射线
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/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b65065ec3a0cb4b050989165c003d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82b74e2b6dae540571fdd509c4e966b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3b8a4b0e72a4de1da975168b243a325.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d631f45bc652539853f236952afa5bbf.png)
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2023-08-20更新
|
122次组卷
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5卷引用:陕西省西安市新城区西安理工大学附属中学2022-2023学年七年级下学期期末数学试题
陕西省西安市新城区西安理工大学附属中学2022-2023学年七年级下学期期末数学试题(已下线)专题05 轴对称的性质与轴对称图形(4大题型)【好题汇编】-备战2023-2024学年七年级数学下学期期末真题分类汇编(陕西专用)(已下线)专题08 最值问题(代数最值+几何最值)(5大题型)【好题汇编】-备战2023-2024学年七年级数学下学期期末真题分类汇编(陕西专用)(已下线)第01讲 图形的轴对称(6类题型)-【帮课堂】2023-2024学年八年级数学上册同步学与练(浙教版)(已下线)专题5.2 轴对称及其性质(分层练习)-2023-2024学年七年级数学下册基础知识专项突破讲与练(北师大版)
名校
2 . 如图,在锐角
中,
,
的面积为21,
的平分线交
于点D,M、N分别是
和
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/f186ea827f7becafd1ac4955e22c6812.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cbce11aa19b8bd2bf6ee5a834e005de.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e95e98288acdd662de9a3dae1fcf0368.png)
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2023-07-18更新
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4卷引用:2023年陕西省西安市碑林区西安市第六中中考模拟数学试卷
名校
3 . 如图,四边形
中,
,
,
,
,
,点
为直线
左侧平面上一点,
的面积为
,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c24a968c73e960698a572ab01e3698.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
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2023-05-25更新
|
300次组卷
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2卷引用:2023年陕西省西安高新第一中学中考六模数学试卷
4 . 如图,
中,
,
,
,
,
;垂足分别为点F和E.点G和H分别是
和
上的动点,
,那么
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea4f5eec0addba78f2e0cdfb7ecc59a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aa30a9ee227af2b387cf6e028c20d7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b937442ad4cc480adc11bb143559454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/912ec2726c1c57bbc7c2d44e8a674a1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1555d23a11970d272f72fa7eb1ffcba8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/7/9f90a2bb-64f8-4fa4-8163-1fc39d203bc2.png?resizew=191)
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5 . 如图,直线
平分正方形
的面积,直线
分别与
、
交于点
、
,
直线
于
,连接
,若
,则
长的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080ca48cd27d4bf9d9ef084b558fc17a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/6/df71866a-ea92-485a-88a4-80f4fe883292.png?resizew=161)
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6 . 如图,在四边形
中,连接
,
与
互余,
、
分别是
、
的中位线,连接
,
,若
,
,则线段
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4189a0821a0ffab9dc171ecd279ba442.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/21/d3c59b4c-170d-4ff1-864f-fe76697b8cfc.png?resizew=272)
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名校
7 . 如图,四边形
,
,
,
,点
为
的中点,连接
、
,使得
,则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4aca5534bce25acaeb7379deed8f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/077c956ac0eb05cf120e14f17413dfa2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8eeeea1c9652cacce976f8129cf520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1422cff722a9c5561cb3767fefd50302.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
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2023-02-12更新
|
318次组卷
|
7卷引用:陕西省西安交通大学附属中学2022-2023学年八年级上学期末数学试题
22-23九年级上·四川绵阳·阶段练习
8 . 如图,已知:
,
,P是
上的一个动点,
的最小值为 _____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc0061285e8b6d5d30f678a46897dfb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d269dac71ea78cf60747f06542467507.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f320075cb747d3a747bb6dd87c4814.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/17/f70c76bd-9e86-43ff-b19a-65269784485f.png?resizew=185)
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解题方法
9 . 如图,在
中,
,
的面积为12,
的垂直平分线
交
于点F,若D为
边的中点,M为线段
上的一动点,则
周长的最小值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d089b421d2a68b155e77aa0aed66f62d.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/49b50357a6545cae8348e3059312f520.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/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/75a1219bc313db46b07bbd68600267a4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/8/dc34cf3d-10fb-429e-991c-3883a6b247df.png?resizew=162)
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2023-01-13更新
|
643次组卷
|
6卷引用:陕西省宝鸡市渭滨区2021-2022学年八年级下学期期末考试数学试题
陕西省宝鸡市渭滨区2021-2022学年八年级下学期期末考试数学试题人教版2020年九年级中考数学重点模型7(已下线)模型七 利用两点之间线段最短求最值河南省驻马店市汝南县2022-2023学年八年级上学期期中数学试题山东省德州市宁津县2022-2023学年八年级上学期期末数学试题(已下线)13.3(培优课)将军饮马模型(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)
10 . 如图,
是一条笔直的公路,在公路的两侧各有一个村庄
,
,两个村庄准备集资修建一个公交车站,经过协商,要求车站到两个村庄的路程和最短,小聪帮助设计了公交车站修建点
,则小聪设计的理由是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/ac047e91852b91af639feec23a9598b2.png)
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2023-01-08更新
|
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3卷引用:陕西省西安市第三中学名校“+”联合体2023-2024学年七年级上学期月考数学试题