1 . (1)计算:
;
(2)如图,在
中,
,
,垂足分别为
、
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3de865872b093d6004ac0cfe2ab1e77e.png)
(2)如图,在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc840e197de2dabff676ee1b8968fada.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32c38dfd14dde969702dff97ef2270f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1ff7bf8ffc8a04186e3e13c1a6d5ced.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/d8ce1475f537b4ad21775bfaa16daa0c.png)
您最近一年使用:0次
名校
2 . 如图,在
中,
为
的中点,
为
的中点.过点
作
交
的延长线于点
,连接
.
是菱形;
(2)若
,菱形
的面积为40,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b155af03382bb6236a7a4223b4f2cc10.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/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6095bae4840bfa80f2468f94b2002d7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94a5a2949b3d520ed03d57126c7d4d8d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4494a85de0be0b97a69348115aef8513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94a5a2949b3d520ed03d57126c7d4d8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2024-04-09更新
|
563次组卷
|
12卷引用:江西省萍乡市2023-2024学年九年级上学期期末数学试题
江西省萍乡市2023-2024学年九年级上学期期末数学试题湖北省恩施土家族苗族自治州建始县2022-2023学年九年级下学期期中数学试题湖南省长沙市中雅培粹学校2023-2024学年九年级下学期开学考试数学试题浙江省湖州市德清县2022-2023学年九年级下学期期中数学试题2024年湖南省邵阳市新邵县小塘镇中考一模数学试题(已下线)数学(云南新中考卷)-学易金卷:2024年中考考前押题密卷重庆西西南大学附属中学校2023-2024学年八年级下学期数学试题4(已下线)专题18.27 平行四边形(全章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(人教版)(已下线)专题13菱形的性质(四大题型)-【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(人教版,湖北专用)四川省自贡市高新区绿盛教育集团六校2023-2024学年八年级下学期期中联考数学试题(已下线)第19章 四边形 全章热门考点专练(8个知识方法专题3个思想方法专题)-2023-2024学年八年级数学下学期考试满分全攻略高频考点+重难点讲练与测试(沪科版)(已下线)八年级数学期末模拟卷(湖南省专用,湘教版全册)-学易金卷:2023-2024学年初中下学期期末模拟考试
3 . 如图,已知一次函数
与反比例函数
的图象交于点
,点C在x轴上,
为直角三角形,且
.
(2)求点C的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89c1972246a0a3d1c987d25205dbdd99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec10a51cbddab5ca3507088fe1af7d1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64f5b5c0dd360f325604eaf7863bd7c.png)
(2)求点C的坐标.
您最近一年使用:0次
2023-08-15更新
|
169次组卷
|
2卷引用:2024年江西省萍乡市中考一模数学试题
名校
4 . 如图,已知
,直线
垂直平分
,与边
交于
,连接
,过点
作
平行于
交
于点
,连接
.
(1)求证:
;
(2)求证:四边形
是菱形;
(3)若
,
,则菱形
的面积是______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.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/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/28/845dd72f-1372-4a07-8a84-80707ab5975d.png?resizew=147)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df23b9bc1168ec0f0c3585d8c1f0e8b8.png)
(2)求证:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/910936ec9fb419d51ce2f5ea817f8401.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edc5df62e8ac9c74a46462519b95479a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/910936ec9fb419d51ce2f5ea817f8401.png)
您最近一年使用:0次
2023-06-25更新
|
197次组卷
|
19卷引用:江西省萍乡市2019-2020学年九年级上学期期末数学试题
江西省萍乡市2019-2020学年九年级上学期期末数学试题2015年初中毕业升学考试(贵州黔南州卷)数学北师大版九年级上册数学《第一章特殊平行四边形》检测卷北师大版2018届九年级数学上册单元测试卷 第一章 特殊平行四边形 综合测试【校级联考】陕西省宝鸡市岐山县2019届九年级上学期期中考试数学试题2017-2018学年九年级数学北师大版上册 第1章 特殊平行四边形 单元测试题广东省揭阳市产业园区2019-2020学年九年级上学期期中数学试题陕西省宝鸡市岐山县2018-2019学年九年级上学期期中数学试题山东省菏泽市郓城县2020-2021学年九年级上学期期中数学试题四川省达州市东辰学校2020-2021学年九年级上学期期末数学试题河南省郑州市荥阳市第一初级中学2021-2022学年九年级上学期7月月考数学试题甘肃省酒泉市第二中学2022-2023学年九年级上学期期末考试数学试题2016-2017学年江苏省无锡市石塘湾中学八年级3月份阶段性检测数学试卷2017-2018学年八年级数学人教版下册单元测试题综合练习:特殊平行四边形的性质与判定江苏省句容市第二中学片区合作共同体2017-2018学年八年级下学期第一次月考数学试题华东师大版八年级数学下册19.2.2 菱形的判定练习题江苏省徐州市邳州市新城中学2021-2022学年八年级下学期数学第一次月考数学试题辽宁省沈阳市和平区第一二六中学教育集团2022-2023学年八年级下学期6月月考数学试题山东省淄博市高青县2022-2023学年八年级下学期期中数学试题
5 . (1)计算:
;
(2)如图,点
,
,
,
在同一直线上,四边形
是平行四边形,
.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebf15225ad5fcac5e5ebd8ec30545ba5.png)
(2)如图,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c92d220be10b55272aab5bacd9f69721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee73452ee4d5437f1399f1235b95e55f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7dab0c0c0f988903f228a6510208420.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/18/b554f6ee-5e47-4bc4-ba07-795adab657f7.png?resizew=233)
您最近一年使用:0次
6 . 如图,
是菱形
的对角线,过点
作
,交
的延长线于点
.请用无刻度的直尺按要求画出图形,保留作图痕迹.
(1)在图中画出
的中线
;
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/18/7b8ff229-09b0-4d7b-8948-a678c6faa65d.png?resizew=228)
(2)在图中画出
的高
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec9e2a600d4675d510c58b984027e33d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(1)在图中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e3a9ec45721f7b4d1c99917ac0d970f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/18/7b8ff229-09b0-4d7b-8948-a678c6faa65d.png?resizew=228)
(2)在图中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d631f45bc652539853f236952afa5bbf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/167d31eb8432b5c0364316e5048c23dd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/18/59e88439-ad75-4337-984b-66debdc757d2.png?resizew=219)
您最近一年使用:0次
7 . 如图,在
中,
,
于点E,F为
的中点,连结
、
,现有以下结论:①
;②
;③
;其中结论正确的是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f3ba8b214034c287276f4966069d95e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c897a54f2e36bc4b52fba74b41c89d2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46c98b148518587d61a2907cdfd6ee4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f586a2079d0e382ef843f4dbe068566e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ffcdad73e2d420154a966b7597f0445.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/23/0ba4ad30-8702-4814-b200-296aa5801a2b.png?resizew=161)
您最近一年使用:0次
2023-02-21更新
|
234次组卷
|
4卷引用:江西省萍乡市安源区2022-2023学年九年级上学期期中质量检测数学试卷
江西省萍乡市安源区2022-2023学年九年级上学期期中质量检测数学试卷江西省萍乡市芦溪县2022-2023学年九年级上学期期中数学试题江苏省扬州市邗江区梅岭中学教育集团2022-2023学年八年级下学期3月月考数学试题(已下线)22.2.1 平行四边形的性质-2022-2023学年八年级数学下册《考点·题型·技巧》精讲与精练高分突破系列(沪教版)
名校
8 . 如图,在
中,
,
,
,点
、
分别在
、
上,沿
将
翻折使顶点
的对应点
落在
上,若
,则
等于__________ .
![](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/0f3018c687427b6257767eda4a8c6612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.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/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/9966839944bf4087bd18fede1d2d2c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5326817f9af012432a202749d1df59f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a46e6ac3809f725f713521a1a1c799f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
您最近一年使用:0次
2022-11-20更新
|
308次组卷
|
6卷引用:2024年江西省萍乡市中考一模数学试题
2024年江西省萍乡市中考一模数学试题江西省临川第一中学2022-2023学年九年级下学期期中考试数学试卷(已下线)专题01 特殊四边形的性质与判定(十大题型)-【好题汇编】备战2023-2024学年九年级数学上学期期中真题分类汇编(北师大版)(已下线)专题1.1 菱形的性质与判定【十大题型】-2023-2024学年九年级数学上册举一反三系列(北师大版)广东省东莞市寮步镇香市中学2022-2023学年八年级期中考试数学试卷(已下线)专题5.2.2 菱形的判定(知识要点+专项练习)-2022-2023学年八年级数学下册同步精品课堂(浙教版)
9 . 如图,已知平行四边形
的对角线相交于点
,其中
,反比例函数
的图象经过点
.
![](https://img.xkw.com/dksih/QBM/2022/4/27/2967281385373696/2972073372909568/STEM/2701230a-cfdd-40a7-bca7-2c8724ad9bb7.png?resizew=269)
(1)求
的值;
(2)若点
恰好落在反比例函数
的图象上,求平行四边形
的面积;
(3)当
时,判断反比例函数
的图象是否经过
的中点,若经过,请说明理由,若不经过,求出
与反比例函数图象的交点坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dba76518a473722e04cfbac3a4333bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d58eb3d58b877b9e104bd22eaae6918.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45bd7e92dae1e0c2af6c33d5e202f544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://img.xkw.com/dksih/QBM/2022/4/27/2967281385373696/2972073372909568/STEM/2701230a-cfdd-40a7-bca7-2c8724ad9bb7.png?resizew=269)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dba76518a473722e04cfbac3a4333bb.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/972592728257d4ed956be1c5f3a097f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07854693dd2e33f66030d6106eb6e0ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
您最近一年使用:0次
10 . 在
中,
,
,
于点D,点E是直线AC上一动点,连接DE,过点D作
,交直线BC于点F.
![](https://img.xkw.com/dksih/QBM/2022/1/22/2900130059870208/2901984504782848/STEM/ec5785dc53a647ea803b709a4d7f1885.png?resizew=361)
(1)[探究发现]:如图1,若
,点E在线段AC上,猜想DE与DF的数量关系,并说明理由;
(2)[数学思考]:
①如图2,若点E在线段AC上,求证:
;
②当点E在直线AC上运动时,数学思考①中的结论是否仍然成立?请仅就图3的情形给出证明;
(3)[拓展应用]:若
,
,
,求CE的长.(可结合题意,另行画图)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88cc1d1113c8e6cf32f7ab789da41cc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b757f0c42ae5c9a2d6a4b19e5877b27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c175c239742c7ba8fd67a6d5f99cb1b3.png)
![](https://img.xkw.com/dksih/QBM/2022/1/22/2900130059870208/2901984504782848/STEM/ec5785dc53a647ea803b709a4d7f1885.png?resizew=361)
(1)[探究发现]:如图1,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0a4480988244a9d04ec293975db2cc0.png)
(2)[数学思考]:
①如图2,若点E在线段AC上,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90dbe2d72bcce79744747fde0c230ff5.png)
②当点E在直线AC上运动时,数学思考①中的结论是否仍然成立?请仅就图3的情形给出证明;
(3)[拓展应用]:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62eccb33ea66c03222468628f74d8c56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/133760237c0ccf2d6a83786925b6d23c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51a63e890d326a8f7c3f13fb3ccf2761.png)
您最近一年使用:0次
2022-01-25更新
|
231次组卷
|
2卷引用:江西省萍乡市2021-2022学年九年级上学期期末数学试题