1 . 在
中,
,点P为
所在平面内一点,过点P分别作
交
于点E,
交
于点D,交
于点F.若点P在
边上(如图①),此时
,可得结论:
.
请直接应用上述信息解决下列问题:
当点P分别在
内(如图②)、
外(如图③)时,上述结论是否成立?若成立,请给予证明;若不成立,
与
之间又有怎样的数量关系?请写出你的猜想,不需要证明.
![](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/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d0157310b49104bd2f604b4f83ecd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76a1e2531e2ae0201545eca2e4570a5f.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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4520592794a844fbcb3f46bb620afa8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/403c13dbec6d01b29e58e3b6392ed0c3.png)
请直接应用上述信息解决下列问题:
当点P分别在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a51e956f061854ca96bbfa4806e744fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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2024-03-20更新
|
161次组卷
|
2卷引用:第18章 18.1 课时1 平行四边形的边、角性质
2 . 已知抛物线
与
轴交于点
,它的顶点为点
,点
,
关于原点
的对称点分别力
,
若
,
,
,
中任何三点都不在一条直线上,则称四边形
为抛物线的伴随四边形,直线
为抛物线的伴随直线.
所示,求抛物线
的伴随直线的解析式;
(2)如图
所示,若抛物线
的伴随直线是
,伴随四边形的面积为
求此抛物线的解析式;
(3)如图
所示,若抛物线
的伴随直线是
,且伴随四边形
是矩形.
①用含
的代数式表示
,
的值.
②在抛物线的对称轴上是否存在点
,使得
是一个等腰三角形?若存在,请直接写出点
的坐标
用含
的代数式表示
;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2410b524c7b911c2b55d076da93cf2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09e7170bb4a2ddcef39391a06c989162.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d05c50ea5f6068e3ebc11ec59723d083.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9592a0ebb1afed12914f2a5dccc1c880.png)
(2)如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f26c2ded122a46dd44b8d8b2740a4ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a05e485a2a143dd0b2b58184f17cda86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e235d7dd12f948f5ffb2e5afddc95612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/142d1fa46c91643ded99eeefe2d099e9.png)
(3)如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e899f9f1e24215866a917fedc0dfb95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2410b524c7b911c2b55d076da93cf2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/877bb74b61f461c74d07ed6dfa63667d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
①用含
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
②在抛物线的对称轴上是否存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acee03d4bb4667b6c345221b6c9b0fa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd995178601c2ad7b40f973d268c7bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
您最近一年使用:0次
2024-03-16更新
|
41次组卷
|
6卷引用:2021年浙江省嘉兴市嘉兴一中实验学校中考模拟数学试卷
2021年浙江省嘉兴市嘉兴一中实验学校中考模拟数学试卷(已下线)重难点06 二次函数中四边形的存在性问题-2022-2023学年九年级数学考试满分全攻略(浙教版)(已下线)重难点03 二次函数中特殊三角形问题-2022-2023学年九年级数学考试满分全攻略(浙教版)2023年吉林省松原市长岭县三十号乡中学、三团乡中学、三青山镇中学中考一模数学试题2022-2023学年吉林省松原市长岭县中考数学一模模拟试题2024年河北省邢台市威县第三中学中考三模数学试题
3 . 如图,在平行四边形
中,
的平分线交
于点
,交
的延长线于点
,以
,
为邻边作平行四边形
.
,如图
,求证:平行四边形
是正方形;
(2)若
,如图
,连接
,
,求证:
;
(3)若
,如图
,若
,
,
是
的中点,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d7bc33b9ab8c8824bcae3366b1bf58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cdd9f345915ae742ed3dcd3f9678264.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9171484a68c84cad91e4f2233392f600.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8120f2eeb724c756b5f84a14c6df527.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/741f109c7c09317136588899ffcbd9c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d9e84e82d6ad85d631bbb3cb682c369.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/307e785b90bb03f946e84f4c06e45d95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/741f109c7c09317136588899ffcbd9c6.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0aedf65d7d930fdb972d4802c0dea8b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e39adf871a542f06d911a891a75bab53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/999a995a6d07c561ce64e8952994160a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7935ad59079c158ea0f92018fc548e4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b0eb389bbe576cf8d7d346e2390f95.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d9e84e82d6ad85d631bbb3cb682c369.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afd056bf480a04dafb4b6da24662cc9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/377f5c10cf527c87ab06bff61384f7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df9a15966dde96392732e585e093b85b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0215e13a9fb5574d5194aeb9507a98aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef9d0784478511736255074b9395fae.png)
您最近一年使用:0次
2024-03-11更新
|
450次组卷
|
2卷引用:2024年湖北省黄冈市中考模拟数学试题
名校
4 . 已知:如图,四边形
为平行四边形,点E,A,C,F在同一直线上,
.
;
(2)连接
、
,求证:四边形
为平行四边形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfc0d577af85108c07064a91e7c05070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f8f7a3cf5a6acc41c4932eb8548e9e7.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c87e1fe20bb0e8292e993657e14bc79a.png)
您最近一年使用:0次
2024-03-06更新
|
1142次组卷
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12卷引用:2022年广西柳州市柳江区九年级教学实验研究质量检测数学试题
2022年广西柳州市柳江区九年级教学实验研究质量检测数学试题2022年辽宁省沈阳市沈北新区九年级下学期质量监测二(二模)数学试题(已下线)专题01 平行四边形的性质和判定(八大类型)(题型专练)-2023-2024学年八年级数学下册《知识解读·题型专练》(人教版)(已下线)专题03 平行四边形的性质和判定(八大类型)(题型专练)-2023-2024学年八年级数学下册《知识解读·题型专练》(苏科版)江苏省泰州市靖江市靖城中学、城北实验、城南新区中学2023-2024学年八年级下学期第一次月考数学试题江省南通市海安市13校联考2023-2024学年八年级下学期3月月考数学试题江苏省扬州市江都区八校联谊2023-2024学年八年级下学期第一次月考数学试题(已下线)专题18.28 平行四边形(分层练习)(基础练)-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)湖南省永州市道县2023-2024学年八年级下学期月考数学试题河北省雄安新区2023-2024学年八年级下学期期中数学试题甘肃省武威市凉州区武威第二十中学2023-2024学年八年级下学期期中数学试题2024年湖南省怀化市溆浦县葛竹坪镇中学中考一模数学试题
5 . 如图,在平行四边形
中,点E在
边上,且
,F为线段
上一点,且
.
;
(2)求证:
;
(3)若
,
,
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2b34233772c4c26d6669499d9b1f15a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4908c742e58c66ed0feb53a29b0dc20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5395cf3035dcb90a37ff964dfde9b847.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/891edc84cb2b12a0d730c07c2b2c1f9c.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/284e282bb1d9fbf8634b3506ee5358ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eee462ac8bfd858845cccd21ab3c55f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60634341a9603e24b2bbc6960abe3d31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
您最近一年使用:0次
2024-02-21更新
|
355次组卷
|
6卷引用:湖南省长沙市华益中学2023-2024学年八年级上学期期末数学试题
湖南省长沙市华益中学2023-2024学年八年级上学期期末数学试题浙江省杭州市华东师范大学附属杭州学校2023-2024学年八年级下学期4月月考数学试题(已下线)第四章 平行四边形能力提升测试卷-2023-2024学年八年级数学下册《知识解读·题型专练》(浙教版)(已下线)第六章第01讲 平行四边形的性质(9类热点题型讲练)-【帮课堂】2023-2024学年八年级数学下册同步学与练(北师大版)(已下线)专题03 平行四边形的性质和判定期末真题汇编【八大题型+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(人教版)(已下线)专题08 平行四边形的判定与性质(8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)
6 . 如图,E是平行四边形
内一点,
,
,
.
;
(2)求证:
是为等腰直角三角形;
(3)判断
的数量关系并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3df3f49493b1f7317cbe2e95e79338a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c45cadfec8bd192111ad163a231314c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ba719217771ea0001b180d1c03cfa0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2337434a2b314c488b7b6add865d2b0d.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfa1a2af7e38d33634c462300df381f.png)
(3)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6499e039ff404f09625301215fc50f44.png)
您最近一年使用:0次
2024-02-20更新
|
251次组卷
|
5卷引用:山东省淄博市沂源县2023-2024学年八年级上学期期末数学试题
山东省淄博市沂源县2023-2024学年八年级上学期期末数学试题(已下线)专题18.3 平行四边形(分层练习)(提升练)-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03 平行四边形的性质和判定期末真题汇编【八大题型+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(人教版)(已下线)八年级数学期末模拟卷(辽宁专用,北师大版全册)-学易金卷:2023-2024学年初中下学期期末模拟考试(已下线)专题08 平行四边形的判定与性质(8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)
7 . 如图,
中,点E在边
上,且
,过点A分别作
交线段
于点P,
交线段
延长线于点Q,连接
.
;
(2)若点F在边BC上,且
,如图(1),试探究线段
,
,
之间的数量关系,并给出证明;
(3)若点F在线段
上,且
,如图(2),当
,
时,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df1ac3ab8d3ce5e61fd2f89761f80976.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12319a1cdcc58d25c30d2b3ab5848237.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3138f9af8cd2fb1b2f1fb4b6db0a4133.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b38bbd93669765af69d7bb0049e2819b.png)
(2)若点F在边BC上,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ac3d3b55561ec5d4acc242ecd1c7f41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
(3)若点F在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ac3d3b55561ec5d4acc242ecd1c7f41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cedbf2b61559686dc80d20777c4baed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc34db5860990e51ba31edc8cdd077c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/735056c174e8dd7906257a2a50a962a7.png)
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8 . 如图所示,在
中,E、F是对角线
上的两点,且
,求证:
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92034dd2bb9480b18709d01153467f8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ce1475f537b4ad21775bfaa16daa0c.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed619e2dc900c52a29012e5b821451bc.png)
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9 . 【教材呈现】如图是华师版八年级下册数学教材第77页的部分内容.
请根据教材提示,结合图1,写出完整的证明过程.
【性质应用】如图2,在
中,对角线
相交于点
,
过点
且与边
分别相交于点
.
.
【拓展提升】在【性质应用】的条件下,连结
.若
,
的周长是
,则
的周长是________.
平行四边形的性质定理3平行四边形的对角线互相平分. 我们可以用演绎推理证明这个结论. 已知:如图1, ![]() ![]() ![]() ![]() 求证: ![]() |
【性质应用】如图2,在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.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/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d93949d8a15aca4e79cedb978590571.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcf2e3236ea30ee2c37928b98041f13a.png)
【拓展提升】在【性质应用】的条件下,连结
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8de4a54cc7818be87a239f6de5f5d05b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004104bafb5f30338123d4ea2b7fedde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80ad9c4320d0ae02f1ccec8f5e0f9688.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
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2024-01-18更新
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6卷引用:河南省鹤壁市淇滨区淇滨中学2022-2023学年八年级下学期期中数学试题
河南省鹤壁市淇滨区淇滨中学2022-2023学年八年级下学期期中数学试题(已下线)专题04 平行四边形与菱形(考点清单+20种题型解读)-2023-2024学年八年级数学下学期期中考点大串讲(苏科版)海南省海口市2023-2024学年八年级下学期期中考试数学试题新疆维吾尔自治区阿克苏地区拜城县2023-2024学年八年级下学期期中数学试题河南省洛阳市伊川县2023-2024学年八年级下学期期中数学试题海南省海口市丰南中学2023-2024学年八年级下学期期中数学试题
10 . 已知:如图,
为
中
边的延长线上一点,且
,连接
,分别交
、
于点
、
,连接
交
于
,连接
,判断
与
的位置关系和大小关系,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4312c59b170d3f1f11abb896195f22b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cad4595d5352b2884568a59d8d766a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cad4595d5352b2884568a59d8d766a4.png)
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2023-11-10更新
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5卷引用:北师大版八年级下第六章 平行四边形 综合测试题
北师大版八年级下第六章 平行四边形 综合测试题人教版2019-2020学年八年级数学下册18.1.2.2 三角形的中位线广东省江门市台山市赤溪中学2022-2023学年八年级下学期期中数学试题(已下线)专题04 与三角形中位线有关的问题之六大题型-【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)(已下线)专题05 平行四边形的性质及判定(八大题型)-【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(山东专用)