名校
1 . 如图,在矩形
中,点E在边
上,
,
的平分线
交
于点G,交
于点F.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/8/79e522cb-de47-4ebb-a1d7-f8022b9d14bd.png?resizew=189)
(1)若点E为
中点,求证:
;
(2)判断
的形状,并加以证明;
(3)若
,求证:
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f46f19939f38833f9152942f8241b7c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d29e7c4d6216690152430b09f9cf0c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/8/79e522cb-de47-4ebb-a1d7-f8022b9d14bd.png?resizew=189)
(1)若点E为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/845f0d305e54811bb095130275ef66f2.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/857e774989e5b67df5929d0f0634618e.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7187ffe41593ff8cc60e5f169caa055c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e644d6180ee0de02a9322a337c2b885a.png)
您最近一年使用:0次
名校
2 . 如图1,四边形ABCD是正方形,M是BC边上的一点,E是CD边的中点,AE平分∠DAM.
(2)若四边形ABCD是长与宽不相等的矩形,其他条件不变,如图2,试判断AM=AD+MC是否成立?若成立,请给出证明,若不成立,请说明理由.
(3)若(2)中矩形ABCD两边AB=6,BC=9,则AM= .(填答案)
(2)若四边形ABCD是长与宽不相等的矩形,其他条件不变,如图2,试判断AM=AD+MC是否成立?若成立,请给出证明,若不成立,请说明理由.
(3)若(2)中矩形ABCD两边AB=6,BC=9,则AM= .(填答案)
您最近一年使用:0次
2022-09-30更新
|
197次组卷
|
9卷引用:海南省省直辖县级行政单位昌江黎族自治县昌江思源实验学校2021-2022学年八年级下学期期中数学试题
海南省省直辖县级行政单位昌江黎族自治县昌江思源实验学校2021-2022学年八年级下学期期中数学试题山东省荣成市石岛实验中学2018-2019学年八年级下学期期中数学试题【校级联考】山东省临沂市平邑县2018--2019学年八年级下学期期中数学试题山东省德州市夏津县2018-2019学年八年级下学期期中数学试题重庆市九龙坡区石桥铺片区2019-2020学年八年级开学定时作业数学试题辽宁省抚顺市抚顺市第二十二中学2021-2022学年八年级下学期期中数学试题(已下线)数学(福建专用B卷)-学易金卷:2022-2023学年八年级下学期期中考前必刷卷山西省晋中市昔阳县2023-2024学年九年级上学期期中数学试题山东省淄博市淄川区2023-2024学年八年级下学期期中数学试题
3 . 如图,矩形ABCD中,O是AC与BD的交点,过点O的直线EF与AB、CD的延长线分别交于点E、F.
![](https://img.xkw.com/dksih/QBM/2021/3/1/2668445976059904/2673359087149056/STEM/e021b1b0-1cb0-40c1-805b-425fbae88b87.png?resizew=140)
(1)求证:
;
(2)以A、E、C、F为顶点的四边形是平行四边形?试证明你的结论.
![](https://img.xkw.com/dksih/QBM/2021/3/1/2668445976059904/2673359087149056/STEM/e021b1b0-1cb0-40c1-805b-425fbae88b87.png?resizew=140)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd146394fdf338c7d7e9a7c4bbb61d01.png)
(2)以A、E、C、F为顶点的四边形是平行四边形?试证明你的结论.
您最近一年使用:0次
4 . 如图,在矩形ABCD中,点O是AC的中点,AC=2AB,延长AB至G,使BG=AB,连接GO交BC于E,延长GO交AD于F,连接AE.
求证:(1)△ABC≌△AOG;
(2)猜测四边形AECF的形状并证明你的猜想.
求证:(1)△ABC≌△AOG;
(2)猜测四边形AECF的形状并证明你的猜想.
![](https://img.xkw.com/dksih/QBM/2019/3/11/2158366489239552/2160919993761792/STEM/079a23d0b8c3439dac1b479ec413dc22.png?resizew=139)
您最近一年使用:0次
2019-03-15更新
|
284次组卷
|
4卷引用:【校级联考】海南省琼中县2017-2018学年八年级(下)期中数学试题
真题
名校
5 . 如图,在矩形ABCD中,AC是对角线.
(2)猜想与证明:试猜想线段AE与CF的数量关系,并加以证明.
(2)猜想与证明:试猜想线段AE与CF的数量关系,并加以证明.
您最近一年使用:0次
2022-06-23更新
|
3206次组卷
|
30卷引用:海南省海口市第一中学2023-2024学年九年级下学期期中考试数学试题(A卷)
海南省海口市第一中学2023-2024学年九年级下学期期中考试数学试题(A卷)2022年山西省中考数学真题(已下线)2022年山西省中考数学变式题16-19(已下线)专题06 四边形-5年(2018-2022)中考1年模拟数学分项汇编(山西专用)(已下线)专题1.34 《特殊平行四边形》中考常考考点专题(基础篇)(专项练习)-2022-2023学年九年级数学上册基础知识专项讲练(北师大版)山东省济宁市太白湖新区2021-2022学年八年级下学期期中数学试题(已下线)第二节 尺规作图01技法提练(已下线)题型五 综合与实践 1(已下线)专题18.51 矩形、菱形、正方形(中考真题专练)(基础篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(人教版)2023年安徽省合肥市庐江县庐州学校中考模拟数学试卷2023年江苏省常州市金坛区中考一模数学试题2023年广西大学附属中学中考二模数学试题(已下线)黄金卷2-【赢在中考·黄金8卷】备战2023年中考数学全真模拟卷(广西新中考专用)重庆市云阳县第一初级中学教育集团2022-2023学年八年级下学期期中数学试题(已下线)专题5.26 矩形、菱形、正方形(中考真题专练)(基础篇)(专项练习)-2022-2023学年八年级数学下册基础知识专项讲练(浙教版)甘肃省张掖市甘州区第一中学2022-2023学年九年级下学期期中数学试题2023年江苏省淮安市淮安区中考一模数学试题山东省烟台市牟平区(五四制)2022-2023学年七年级下学期期末数学试题(已下线)专题1.6 矩形的性质与判定(直通中考)-2023-2024学年九年级数学上册基础知识专项突破讲与练(北师大版)广西壮族自治区南宁市江南区第十中学2022-2023学年九年级下学期3月月考数学试题广西壮族自治区南宁市良庆区银海三雅学校2022-2023学年八年级下学期5月月考数学试题山东省临沂市临沭县2022-2023学年八年级上学期期末数学试题广东省茂名市崇文学校2023-2024学年九年级上学期期中数学试题2023年宁夏自治区中考二模数学模拟试题广东省惠州大亚湾经济技术开发区西区实验学校2023-2024学年九年级下学期第一次月考数学试题2024年甘肃省天水市甘谷县中考第二次监测考试数学模拟试题2024年广东省惠州市第五中学中考一模数学试题2024年广东省惠州市博罗县中考一模数学试题2024年广东省江门市新会区小泽中考二模数学试题河南省许昌市鄢陵县2023-2024学年八年级下学期期中数学试题
名校
6 . 如图1,在矩形
中,
,
,点
是对角线
上的动点(与点
不重合),连接
,过点
作
,交边
于点
.
时,求证:
;
(2)点
在运动过程中,
的值是否发生变化?如果变化,请指出是如何变化,如果不变,请求出
的值;
(3)当
等腰三角形时,求
的长;
(4)如图2,当
为
的中点时,连接
交
于点
,将
沿
翻折得到
,连接
交
于点
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/098a3e7d1f1890863b7483a98b618119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5f0805cc7a96c866df10b667ac4851e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3620030e8808da46df97330103827913.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34323137ddb894a70d97511aa5fe6f98.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2639c093658179960458699ad6df29e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2639c093658179960458699ad6df29e.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ff39c7aa648afd1080206c8080ff79e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
(4)如图2,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.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/3e37c2eab3fa989d8e986b7356eeb4a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72e618e42150fd8f0bb574a72cb029b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7e4fa04825ac7d071968056322d88be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d906785cedeeffa7ebc631e54582b5a.png)
您最近一年使用:0次
7 . 如图,在矩形
中,对角线
相交于点
,
是
边上的点,连结
,交
于点
,过点
作
于点
,交
于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/21/47ae4b95-37c9-47a6-8987-2888f5ec2635.png?resizew=188)
(1)求证:
;
(2)当
恰好平分
时,
①判断
的形状,并说明理由;
②求证:
;
③记
的面积为
,
的面积为
,当
时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b3c032441543354c154ee67d744abb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8689d619c2508c9000531fc1b8f1f21c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/21/47ae4b95-37c9-47a6-8987-2888f5ec2635.png?resizew=188)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7431fd8f28ca8f2914233e50f39bfebe.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a72dfbf0138a611174c36ce077e0c47.png)
①判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c029c9261c7b041e7008fe9c33f1c8a6.png)
②求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/087d57317ed11673fc70ffd148aabcc0.png)
③记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1b632aefa05bf70136d375c7995fec2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb49df05f2e31d005735c3f14a21d30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/565d5e6fbaea7ad065f7bb67e69cde72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0636e0c3ae734c1ac05ef4d53b1f2a92.png)
您最近一年使用:0次
8 . 如图,矩形
中,
,
,
是
中点,点
在边
上,且
,连接
并延长交线段
的延长线于点
.过点
作
于点
,交
于点
,连接
,
.
(1)求证:
;
(2)求证:
是等腰直角三角形;
(3)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04ee826937d2add7a93aaa1422f8b736.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.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/c1364213f546b37f8764ddcb59e36ae4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b46c607b3deac746c0ef3389ad8f65c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e921581eabede0f66f0768ff3671e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91f3956f008cc29ca4bae44a087d5427.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0e57a13c665af88f326c9890072bf73.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/22/d7f9b35f-d7f8-4fee-a568-450bc62b5d0d.png?resizew=175)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ff56ea00ca90825f3d95809de24f639.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e37c2eab3fa989d8e986b7356eeb4a4.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e37c2eab3fa989d8e986b7356eeb4a4.png)
您最近一年使用:0次
2023-10-13更新
|
39次组卷
|
2卷引用:海南省海口市秀英区丰南中学2022-2023学年八年级下学期 随堂测试训练二数学试题
名校
9 . 如图,在矩形
中,对角线
的垂直平分线
分别交
、
、
于点
、
、
,连接
和
.
![](https://img.xkw.com/dksih/QBM/2023/4/28/3226375272161280/3236927336833024/STEM/d101c7e1702c4af7a6f69c91567e2d47.png?resizew=151)
(1)求证:四边形
为菱形;
(2)若
,
,求菱形
的周长.
![](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/49b50357a6545cae8348e3059312f520.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://img.xkw.com/dksih/QBM/2023/4/28/3226375272161280/3236927336833024/STEM/d101c7e1702c4af7a6f69c91567e2d47.png?resizew=151)
(1)求证:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/910936ec9fb419d51ce2f5ea817f8401.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54275b7e571660d0a9e0370fbfe5050b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb262f3529a3e84959fe594b6628c77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/910936ec9fb419d51ce2f5ea817f8401.png)
您最近一年使用:0次
2023-05-13更新
|
386次组卷
|
3卷引用:海南省琼中县2022-2023学年八年级下学期期中数学试题
名校
10 . 已知:如图,在
中,
,
,垂足为
,
是
外角
的平分线,
,垂足为
,连接
交
于
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/3/7043a7a9-f948-418e-82af-5df6a23a4dd8.png?resizew=146)
(1)求证:四边形
为矩形.
(2)线段
与
有怎样的位置关系和数量关系,并说明理由.
(3)当
满足什么条件时,四边形
是一个正方形?简述你的理由.
![](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/8b5f215a42c4b7078d8d65923eb9980e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bab53e0cb6e6ec13764e326b98f26b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cab1578665918e9bc35fbefc92feb90c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/3/7043a7a9-f948-418e-82af-5df6a23a4dd8.png?resizew=146)
(1)求证:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc1cbcd6d00f0c36bad8254297d9f33.png)
(2)线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc1cbcd6d00f0c36bad8254297d9f33.png)
您最近一年使用:0次
2023-04-27更新
|
112次组卷
|
3卷引用:海南省临高县2022-2023学年八年级下学期期中数学试题