1 . 如图,正方形
的边长为
,对角线
、
相交于点
,将
绕
点顺时针旋转
得到
,
交
于点
连接
交
于
,连接
.则下列结论:
①
;
②四边形
是菱形;
③△BDG的面积是
;
④
;其中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.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/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f2ea13010e2399194be2a681310543e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06e322e0c87479bba874db9ae9ba36b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/589786dd7c3a2679c3230b671cd232d6.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6628134d604d625db173f635a7a8d87.png)
②四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c88d0b1289fe73129aaacbbad4489f3.png)
③△BDG的面积是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1f521ad3f29e006436e08a5f84b2c12.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b50b7a88a252985c39f623a7105a4ba.png)
A.①②③④ | B.①②④ | C.①②③ | D.①③④ |
您最近一年使用:0次
2023-11-29更新
|
158次组卷
|
5卷引用:福建省南平市建瓯市第二中学2021-2022学年八年级下学年第二次教学调研数学试题
福建省南平市建瓯市第二中学2021-2022学年八年级下学年第二次教学调研数学试题福建省南平市第三中学2023-2024学年九年级上学期期中数学试题湖北省荆门市2022-2023学年八年级下学期期末数学试题(已下线)专题18.33 平行四边形(直通中考)(培优练)-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)湖南省永州市祁阳市浯溪第二中2023-2024学年八年级下学期期中数学试题
2 . 如图,在正方形
中,E、F是对角线
上两点,且
,将
绕点A顺时针旋转
后,得到
,连接EQ.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/3/00625aef-2322-4ad3-a178-2bb494ed5e95.png?resizew=136)
(1)求证:
是
的平分线;
(2)已知:
,
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/192155e6a3aade305b76b1eb7c75e30c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/441dec590b47adc3678a291a3ec89a4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b17f20c25bb16153b5f2d25062ed7a7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/3/00625aef-2322-4ad3-a178-2bb494ed5e95.png?resizew=136)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1642eec556eb252de9c1ab7bb5ca90b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83144b35c40f711b4ddf75d19867299f.png)
(2)已知:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adc90c2d45477e166b02359525f40aa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00ade06068471a9d76e32b417bef7551.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
您最近一年使用:0次
名校
3 . 七巧板是一种古老的中国传统智力玩具,它由七个板块组成,用如图所示的七巧板拼图,下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/27/98cdb785-6c8f-4730-9eb6-40b9b5ecf0a4.png?resizew=138)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/27/98cdb785-6c8f-4730-9eb6-40b9b5ecf0a4.png?resizew=138)
A.能拼成平行四边形,不能拼成矩形 |
B.不能拼成平行四边形,能拼成矩形 |
C.既能拼成平行四边形,也能拼成矩形 |
D.既不能拼成平行四边形,也不能拼成矩形 |
您最近一年使用:0次
4 . 如图,已知正方形
的边长为
,点
为对角线
上一动点,连接
、过点
作
,交
点
,以
、
为邻边作矩形
,连接
.
是正方形;
(2)探究:
的值是否为定值?若是,请求出这个定值;若不是,请说明理由;
(3)直接写出当点
满足什么条件时,
的最小值,最小值是多少?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.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/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/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2257da1e2425f2ea9ac7440f52659ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf80148409afb32ced0b4f59f1ba709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2257da1e2425f2ea9ac7440f52659ff.png)
(2)探究:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d0292936ccbc591dc5f846313c061f1.png)
(3)直接写出当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd82ccbd9ff0ad7899f3bb226a174a4e.png)
您最近一年使用:0次
5 . 如图,在正方形
中,点
为边
的中点,连接
,过点
作
于点
,连接
交
于点
.则
为_____________ .
![](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/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb91cb9a5a14169845d700fbd95890ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9d7d62359e34ff93eb253555b487166.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/24/0892d68e-e053-45ee-8783-17429677ef2e.png?resizew=128)
您最近一年使用:0次
6 . 如图,在等边三角形
内有一点
.
(1)若
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a79baecc9bee4eda13ba8c9fd228e005.png)
,
,求
的度数;
(2)若等边三角形边长为
,求
的最小值;
(3)如图,在正方形
内有一点
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c3a31fe670bd428562eaff160270ee1.png)
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a79baecc9bee4eda13ba8c9fd228e005.png)
,
,求正方形
的边长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/787ac5e13622afab5e9f8603afe42356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/20/450c8f54-756d-47ab-b615-baae52d36d4e.png?resizew=153)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57eea197b445137a2d7b7a95bc699b3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a79baecc9bee4eda13ba8c9fd228e005.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/804e0e03f39917c43ed38442d99b1c52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/761b8d26fb4b6d20c364ee99045ac79d.png)
(2)若等边三角形边长为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7ed53a398b1d6b7b4abbb43a9abcf1f.png)
(3)如图,在正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c3a31fe670bd428562eaff160270ee1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a79baecc9bee4eda13ba8c9fd228e005.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/804e0e03f39917c43ed38442d99b1c52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/20/e83d5039-2fd0-49bc-b393-8be8ff6f427b.png?resizew=118)
您最近一年使用:0次
2023-11-17更新
|
192次组卷
|
2卷引用:福建省龙岩市上杭县东北、东南、西南片区2023-2024学年九年级上学期期中数学试题
名校
7 . 问题情境:小红同学在学习了正方形的知识后,进一步进行以下探究活动:在正方形
的边
上任意取一点G,以
为边长向外作正方形
,将正方形
绕点A逆时针旋转.
【特例感知】
(1)当
在边
上时,连接
,
相交于点P,小红发现点P恰为
的中点,如图①.针对小红发现的结论,请给出证明.
(2)小红继续连接
,并延长与
相交,发现交点恰好也是
中点P,如图②.
(i)请说明理由.
(ii)根据小红发现的结论,请判断
的形状,并说明理由.
【规律探究】
(3)如图③,将正方形
绕点A逆时针旋转
,连接
,点P是
中点,连接
,
,
,
的形状是否发生改变?请说明理由.
![](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/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f72d8a3dc6cb93171ee20567b5440775.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f72d8a3dc6cb93171ee20567b5440775.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/17/00c9ba80-d458-497f-a4a6-7f6a564682a7.png?resizew=650)
【特例感知】
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a7e4a6765ce78b05ee97764771e01f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/735056c174e8dd7906257a2a50a962a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/735056c174e8dd7906257a2a50a962a7.png)
(2)小红继续连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/735056c174e8dd7906257a2a50a962a7.png)
(i)请说明理由.
(ii)根据小红发现的结论,请判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad3cd61d00f89e68ccca2cac5c937783.png)
【规律探究】
(3)如图③,将正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f72d8a3dc6cb93171ee20567b5440775.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/735056c174e8dd7906257a2a50a962a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/735056c174e8dd7906257a2a50a962a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f541f7ae7c39082d202efd28805c54e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad3cd61d00f89e68ccca2cac5c937783.png)
您最近一年使用:0次
2023-11-14更新
|
119次组卷
|
2卷引用:福建省漳州第一中学2023-2024学年九年级上学期期中考数学试题
名校
解题方法
8 . 如图,在正方形
中,
是边
上一动点(不与点
,
重合),连接
,点
关于直线
的对称点为
,连接
并延长交直线
于点
,
是
中点,连接
.
的度数;
(2)连接
,请用等式表示
,
,
三条线段之间的数量关系,并证明;
(3)若正方形的边长为
,请直接写出
的面积最大值.
![](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/0dc5c9827dfd0be5a9c85962d6ccbfb1.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/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39e210795a966bd5dc1293479ab1988b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4c92b5799d12ea37de46d7c942ce7a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c962456e190ea0d7e6e88782aa8c161.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d004d2d115b477ade6af7ddb93db0df8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bb2cae61c5383a0cba4016e95a9e7dd.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd17a66a2af938c89e46f22e4d893b1.png)
(3)若正方形的边长为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8545c7ec378be8ad759c608e16ae9183.png)
您最近一年使用:0次
2023-11-13更新
|
407次组卷
|
12卷引用:2022年福建省厦门市五缘第二实验中学中考二模数学试题
2022年福建省厦门市五缘第二实验中学中考二模数学试题北京市东城区2019届九年级中考一模数学试题北京市西城区外国语学校2019-2020学年九年级上学期期中数学试题(已下线)专题13 图形的性质之解答题(2)《备战2020年中考真题分类汇编》(北京)(已下线)专题08 几何压轴综合-决胜2020年中考数学压轴题全揭秘精品(北京专用)2020年浙江温州中考数学模拟试题2022年山东省淄博市周村区中考一模数学试题广东省梅州市丰顺县建桥中学2022-2023学年九年级上学期9月月考数学试题2023年山东省济宁市梁山县寿张集镇中学中考三模数学试题北京市第一六六中学2023-2024学年九年级上学期期中数学试题江苏省南通市海门区中南中学2023-2024学年八年级下学期3月月考数学试题广东省广州市铁一中学2023-2024学年八年级下学期期中数学试题
名校
9 . 如图,已知点E是正方形
的边
上任意一点,以
为边作正方形
,连接
,点H为
的中点,连接
. 若
,
,则
的长为____________ .
![](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/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8d0e8404f347a0eb4c76f4d25d9bdac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06e322e0c87479bba874db9ae9ba36b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06e322e0c87479bba874db9ae9ba36b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adc90c2d45477e166b02359525f40aa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/11/5d61417a-f519-4ced-8cc2-8143249c1554.png?resizew=148)
您最近一年使用:0次
名校
10 . 已知点P是正方形
的
边上一动点,线段
绕点P顺时针旋转
到
.
(1)如图1,连接
,
,若
是等边三角形,求
;
(2)如图2,连接
,
,
,
,若点B,E关于
对称,且
,求
的值;
(3)如图3,连接
,
,若
,求证:
.
![](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/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
(1)如图1,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/23/85cd6b6c-2bf1-4b34-b06f-e431d10e5116.png?resizew=166)
(2)如图2,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f135ae4531e59a3c5a7c1e475a5e8934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4fb46419d4c5868342f6615adcd36d9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/23/be1db388-f680-412d-afc7-8935a13d5020.png?resizew=178)
(3)如图3,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b8609258652778f3b498e16f25b53cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4e92f48e9bfe12d145f7d2a2f0360d0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/23/d51de98a-9294-4828-83e8-47df9d409e1f.png?resizew=174)
您最近一年使用:0次
2023-11-10更新
|
217次组卷
|
3卷引用:福建省厦门海沧实验中学2023-2024学年九年级上学期期中数学试题