1 . 如图①,如图,在正方形
中,点
为
边上一点,连接
,点
为
的中点,过点
作
于点
,连接
,
.
观察猜想:
(1)
与
的数量关系是_____________;
和
的数量关系是_____________;
探究发现:
(2)将图①中的
绕点
逆时针旋转,使点
恰好落在
上,此时点F还是
的中点.线段
绕点
旋转
得到线段
,连接
,
,
,如图②所示,探究
和
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/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827beb23a9fe02a8b588645bcb82ce67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
观察猜想:
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/752834fbad4d6e33fb85930309b17aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/721c75fcd58d3d54260aad0f82e09e37.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d00292f271533527c6c77ae77dd86075.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
探究发现:
(2)将图①中的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b31d7cff6b825f7abd8765e4cb289e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfe639eab78eafd2d40ea70aa5d3f21d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53b95463a97c60db3250cb641bf6523d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e72b2e1ff83e95df048745322982451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b39addc1173a458af87ed5c5e3f06466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a16f5621716bfef7a056a3f2712feb4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e72b2e1ff83e95df048745322982451.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b39addc1173a458af87ed5c5e3f06466.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/3/6760d0fa-14c9-466c-b476-264baab4a327.png?resizew=342)
您最近一年使用:0次
2 . 教材中有这样一道题:如图①所示,四边形
是正方形,G是
上的任意一点,
于点E,
,且交
于点F.求证:
.
小明通过证明
解决了问题,在此基础上他进一步提出了以下问题,请你解答.
(1)若图①中的点G为
延长线上一点,其余条件不变,如图②所示,猜想此时
之间的数量关系,并证明你的结论;
(2)将图①中的
绕点A逆时针旋转,使得
与
重合,记此时点F的对应点为点
,如图③所示,若正方形的边长为6,求
的长度.
![](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/fbd99874843902d155f3f9dc26b924f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daee8baa62b5b8d5db41eab0d360ee51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df0a32a119ffb52f3d288071c3e94d58.png)
小明通过证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6289f82472eec6b8c47b883a55f9ec32.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/2/7b063180-fbd9-478c-b302-956b08139e2b.png?resizew=462)
(1)若图①中的点G为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f90f69d449e48719948ba60c9e04a8d.png)
(2)将图①中的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004104bafb5f30338123d4ea2b7fedde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e55590555905eb4f57889bbd16e39a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3184cd468586362043f15d3964991725.png)
您最近一年使用:0次
名校
3 . 我们都知道,四边形具有不稳定性.老师制作了一个正方形教具用于课堂教学,数学课代表小亮在取道具时不小心使教具发生了形变(如图),若正方形道具边长为
,
,则四边形的面积减少了( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb26c5cdef6f16f4b39cd091041b439.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/999f911303686bece1bc3d66a7a0f369.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-02-09更新
|
161次组卷
|
8卷引用:吉林省四平市伊通满族自治县2023-2024学年八年级下学期期中数学试题
吉林省四平市伊通满族自治县2023-2024学年八年级下学期期中数学试题河北省保定市2023-2024学年八年级上学期期末数学试题广东省深圳市罗湖外语初中学校2023-2024学年九年级下学期月考数学试题(已下线)第九单元 中心对称图形-平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》(苏科版)江苏省兴化市常青藤学校联盟2023-2024学年八年级下学期第1次月考数学试题广东省广州市天省实验学校2023-2024学年八年级下学期月考数学试题广西壮族自治区贵港市港北区2023-2024学年八年级下学期期中数学试题河南省新乡市红旗区第一中学2023-2024学年八年级下学期期中数学试题
名校
4 . 问题引入:
(1)如图1,
,
,
,E是线段
的中点,连接
并延长交
于点F,连接
.则
与
之间的数量关系是______;
问题延伸:
(2)如图2,在正方形
和正方形
中,点A、B、E在同一条直线上,点G在
上,P是线段
的中点,连接
、
.
①判断
与
之间的数量关系,并说明理由;
②连接
,若
,
,求
的长.
(1)如图1,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0fff774b4b0087a6f304ce930d359be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd1d0734d6cb1c8fdf1d519e42cf3ebb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02b6d19fedaf8488f9637cd64efbca83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
问题延伸:
(2)如图2,在正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbc7ee0ef8945ba1b90e59aed7cab889.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/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4505508b3e36db64a207dcdaf8eb22dc.png)
①判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4505508b3e36db64a207dcdaf8eb22dc.png)
②连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87261df80b82221732329b6ef3fdda7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
您最近一年使用:0次
2024-01-29更新
|
220次组卷
|
12卷引用:2022年吉林省长春市宽城区九年级数学第二次质量检测试题
2022年吉林省长春市宽城区九年级数学第二次质量检测试题(已下线)第一次阶段性测试-【单元测试】2022-2023学年八年级数学下册分层训练AB卷(苏科版)2023年山东省烟台地区中考一模数学试题(已下线)期末压轴题专训40题(第十六、十七、十八、十九、二十章)-2022-2023学年八年级数学下册同步考点知识清单+例题讲解+课后练习(人教版)福建省福州市三牧中学2022-2023年学年八年级下学期期末数学试题广东省云浮市新兴县水台中学2022-2023学年八年级下学期期中数学试题陕西省咸阳市永寿县2022-2023学年九年级上学期期中数学试题2024年湖北省黄冈市部分学校中考二模数学试题(已下线)人教版八下期中真题精选(常考60题18个考点分类专练)-2023-2024学年八年级数学下学期期中考点大串讲(人教版)2024年湖南省永州市冷水滩区李达中学八年级下学期期中数学试题(已下线)期末真题必刷05(压轴大题60题12个考点专练)-2023-2024学年八年级数学下学期期末考点大串讲(人教版)2024年湖北省黄石市下陆区部分学校中考模拟数学试题
5 . 如图,正方形
的顶点
在
轴上,点
,点
在反比例函数
图象上.若直线
的函数表达式为
,则反比例函数表达式为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92a37e8519ea115c1777d031d9963583.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24edd2a1d145627d07330524017daf5c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-01-13更新
|
122次组卷
|
3卷引用:吉林省长春市长春净月高新技术产业开发区净月实验中学2023-2024学年九年级上学期期末数学试题
名校
6 . 综合与实践
活动课上,老师让同学们翻折正方形
进行探究活动,同学们经过动手操作探究,发展了空间观念,并积累了数学活动经验.
【问题背景】如图1,过点A引射线
,交边
于点H(点H与点D不重合).通过翻折,使点B落在射线
上的点G处,折痕
交
于E,延长
交
于F.
(1)如图2,当点H与点C重合时,
与
的大小关系是______;
是______三角形.
(2)如图3,当点H为边
上任意一点时(点H与点C不重合),连接
,猜想
与
的数量关系,并说明理由.
(3)在(2)条件下,当
,
时,CF的长为______.
活动课上,老师让同学们翻折正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
【问题背景】如图1,过点A引射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.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/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
(1)如图2,当点H与点C重合时,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bab17635a999236e8d2e35017a208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25c333f2e1769473c6ada9790f841572.png)
(2)如图3,当点H为边
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00bab17635a999236e8d2e35017a208d.png)
(3)在(2)条件下,当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f08273d339dc5ddbb89aa67bb8205e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f218914337edd06e59e75d90b777e6.png)
您最近一年使用:0次
2024-01-13更新
|
326次组卷
|
5卷引用:吉林省长春市东北师范大学附属实验学校2023-2024学年八年级上学期期末数学试题
7 . 如图,把正方形
绕点A,按顺时针方向旋转得到正方形
,边
与
交于点H.求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8d0e8404f347a0eb4c76f4d25d9bdac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c63e36329f5e0979f5ee776ac5d06327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff78b43a15fc1f017ce4b1370a7aef62.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/8/196bc8ae-9b47-49c1-9265-a7b0eefc0d21.png?resizew=150)
您最近一年使用:0次
8 . 如图①,正方形
的边长为5,点
为正方形
边上一动点,过点
作
于点
,将
绕点
逆时针旋转
得
,连接
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/4/5b2f7615-41c4-473d-aa29-20f5cd8c0b8a.png?resizew=279)
(1)证明:
;
(2)如图②,延长
交
于点
.判断四边形
的形状,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59fb768fc63e1aabddbfb2b3e7c5b51a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d3ee4a2510c4c5091513b3ab2dca6f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc063cdcf722f07a1aa57be04edd416d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/4/5b2f7615-41c4-473d-aa29-20f5cd8c0b8a.png?resizew=279)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2126a94904c634b3964375574e7a21a2.png)
(2)如图②,延长
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc063cdcf722f07a1aa57be04edd416d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43cae5a294aefb478de5532fea184ead.png)
您最近一年使用:0次
2024-01-04更新
|
96次组卷
|
3卷引用:吉林省吉林市桦甸市第七中学2023-2024学年九年级上学期12月月考数学试题
名校
9 . 如图,已知
,
.以线段
为边,在第一象限内作正方形
,点C落在函数
的图象上,将正方形
沿x轴负方向平移a个单位长度,使点D恰好落在函数
的图象上的点
处,则a的值为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/4/12ff1758-be93-446f-a251-26200d25e9b3.png?resizew=153)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee33736169c249a029f478a605dc2c05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddbb898663f98b8400a897913b4d3102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c9940526785ca763da2dfa35e77c934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c9940526785ca763da2dfa35e77c934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5b3bd5e6bc2a0a277d279bb01af9584.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/4/12ff1758-be93-446f-a251-26200d25e9b3.png?resizew=153)
A.1 | B.![]() | C.2 | D.![]() |
您最近一年使用:0次
10 . 【问题探究】如图①,在正方形
中,
,点
为
上的点,
,连接
,点
为
上的点,过点
作
交
于点
,交
于点
,求
的长度.
此问题可以过点
作
于点
,根据正方形的性质及矩形的判定与性质,易证
.根据全等三角形的性质得出
, 再由勾股定理可以求得
;
【类比迁移】如图②,在矩形
中,
,
, 连接
,过
的中点
作
交
于点
,交
于点
, 求
的长度.
【拓展应用】如图③,李大爷家有一块平行四边形的菜地.记为
. 测得
米,
米,
.为了管理方便,李大爷沿着对角线
开一条小路,过这小路的正中间,开了另一条垂直于它的小路
(小路面积忽略不计).直接写出新开出的小路
的长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb5a2fb856430b29a6369ec01df97472.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ccd3f78dd633f37c4bf1a3e9a0836a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
此问题可以过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ff3112197831bfd185bf8f695d9c959.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd5e2a2521fcba7e05a07f447c7ea1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec9be11a62ef4a80cafa764647ed6b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa64160886e394e8f1dbd20c0baec344.png)
【类比迁移】如图②,在矩形
![](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/e65a3e478bb87d094e3a0af30dd10ae8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.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/dee50a23604ea2a9c1f3649dab97c2e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
【拓展应用】如图③,李大爷家有一块平行四边形的菜地.记为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/027aa10ab696e58f485a826ee1f36f22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42ef6a917fd168b4467dd47252285532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c42ed2e5bd5a0f033e24008697bf4963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/28/2250521e-ef40-4e8a-8c9d-3dbe943b138e.png?resizew=579)
您最近一年使用:0次