1 . 如图,在平行四边形
中,连接
,E为
的中点,延长
与
的延长线交于点F,连接
.
是平行四边形;
(2)若
,求四边形
的面积.
![](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/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](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/c92d220be10b55272aab5bacd9f69721.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/222046565d58fa7864721afef119fbd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fa7bbd7831e9ff4f8cffc8889d34f05.png)
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2024-04-24更新
|
99次组卷
|
5卷引用:2023年湖南省株洲市石峰区五校联考中考三模数学试题
2023年湖南省株洲市石峰区五校联考中考三模数学试题江苏省无锡市江阴市南菁高级中学实验学校2022-2023学年八年级下学期5月月考数学试题 江苏省无锡市滨湖区2022-2023学年八年级下学期期中考试数学试题(已下线)第06讲 矩形(3大考点+9种题型+强化训练)-【帮课堂】2023-2024学年八年级数学下册同步学与练(苏科版)(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)
2 . 如图.平行四边形
的顶点为网格线的交点,反比例函数
的图象过格点A,点
.
(2)在图中用直尺和
铅笔画出
沿
所在直线平移,使得点
与点
重合,得到
(不写画法).
①点
,点
______(填“是”或“不是”)都在反比例函数图象上;
②四边形
是______(特殊四边形),它的面积等于______.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be9040cff7e9e20dd2817ad9888237d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03517310ea1e913f709753592ac65ffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)在图中用直尺和
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/772562a411cb35b12e8a5878ddaa9de1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdc93e193fad261689949a52819753f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a64ab788f5642b94ccbdc23c9db5b37.png)
①点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
②四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92ea5278e7fd8a86be6870699c43ba1b.png)
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3 . 如图,在直角梯形
中,
.以点
为圆心,
为半径作弧交射线
于点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b37576f5a04dcfce4e6102abb1920e.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d68c03e8736c9adb34cb0186b1542ee5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3182db896bc2462331796e2a6108363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b37576f5a04dcfce4e6102abb1920e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/28/cc5243d0-8a6f-40d9-8e2b-d359ab63503f.png?resizew=149)
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名校
4 . 已知平行四边形的两邻边的长m,n分别是关于x的一元二次方程
的两个实数根.
(1)求k的取值范围;
(2)当k为何值时,四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(3)当k为何值时,四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e483f50a009f2f66b269528e213756e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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5 . 如图,边长为的正方形
内部有一点
(不在边界上),过点
分别作两边的平行线
,
,与各边的交点分别为
,
,
,
,记四边形
面积为
,四边形
的面积分别为
,四边形
的面积为
,四边形
的面积为
,
,
.
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f263552b69276d15858fa712bbbaa8ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ced991055fe6d4943c77a2fd6e44294.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b9512fe4106c98ffed5a22331bf393d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61a7301f925068ca2ebd73044f3227ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8060a00d925f27135a7baff2d0e9d598.png)
(3)对于确定的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc5227f35e18b15ec2a3b30fa38f981b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942bbf4a929beb9ab9b8a18a30286134.png)
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2024-01-14更新
|
121次组卷
|
3卷引用:浙江省初中名校发展共同体2023-2024学年九年级上学期12月中考模拟数学模拟预测题试题
6 . 问题提出
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/10/2e1e1b18-a5e0-4f23-b455-bb7cf950654a.png?resizew=436)
如图
,在
中,
.若
,则
的值为__________.
问题探究
如图
,在四边形
中,对角线
、
相交于点
,
、
、
、
分别为
、
、
、
的中点,连接
、
、
、
.若
,求四边形
的面积.
问题解决
如图
,某市有一块五边形空地
,其中
米,
米,
米,
米,现计划在五边形空地内部修建一个四边形花园
,使点
、
、
、
分别在边
、
、
、
上,要求
请问,是否存在符合设计要求的面积最大的四边形花园
?若存在,求四边形
面积的最大值;若不存在,请说明理由.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/10/2e1e1b18-a5e0-4f23-b455-bb7cf950654a.png?resizew=436)
如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4d24c1c0d75be03afbfe64a41aee7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9f79d7939c88e9702962e5917cad290.png)
问题探究
如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cb3f9a5da641be35117fd35ba07a6aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3182db896bc2462331796e2a6108363.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88929f4ba0851730d5f941d426b87548.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0215e13a9fb5574d5194aeb9507a98aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d87448e09eaa816e50ae92d111d5ded6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cafbe2751f4f4c5a8e676818195e9111.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0989ab6363e37ecee4565ded7891fc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a87a0802a3da63fbf219b527636864cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c89029e1d782dbf6a0bda8605a7c5ad4.png)
问题解决
如图
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca7d1107389675d32b56ec097464c14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6723f8b9d907981aa735cd96386bee36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eeec9cb156d9fbb9ac1bf3f9a675260.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fb19963d0798aabcb1b4b8b951bc302.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dd81878e3c1a10e9cc9f056f09b2eca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78245a4a4d968e5f8b78606505d8733d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e420f0021f02177e7818224e7b90c2cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9f79d7939c88e9702962e5917cad290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84cf2eac4f5d07bb7e68795462bd3732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e420f0021f02177e7818224e7b90c2cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e420f0021f02177e7818224e7b90c2cf.png)
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7 . 在平面直角坐标系中,
为坐标原点,抛物线
分别交
轴、
轴于A、
、
三点,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/12/ce492ced-6dab-43fd-8ff8-6338bcca66c7.png?resizew=447)
(1)求a的值;
(2)如图,点
在第一象限内抛物线上,其横坐标为
,连接
、
、
,设
的面积为
,求
与
的函数关系式;(不要求写出
的取值范围)
(3)如图,在(2)的条件下,直线
交
轴于
,交
轴于
,交
于点
,点
在
上,连接
,使
,点
在
上,连接
,使
,作
轴,连接
交
轴于
,使
,点
在第一象限内抛物线上,
于
,连接
,使
,若
,
,求
的长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/613007eddfbe4be5c6a63e9098022996.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74c4741770122b25ef749a6a5d4cf1b1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/12/ce492ced-6dab-43fd-8ff8-6338bcca66c7.png?resizew=447)
(1)求a的值;
(2)如图,点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a698deee0d36c8d2772f39247f3f1b03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)如图,在(2)的条件下,直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7c57b07f75e97d9f84718bd495ebcf4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ff383364829f5ecf44c90fa6570b06f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21037e170bdbb322558e79c40c00b454.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97223e7c3ff2c78bdedae87a8ba66112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adf9991e19fdfb58120c3d235f3a298c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f33cf87dcf6ef44ff2e3cfd8567636f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d44748f376df3a2e8d7d174791d4ae66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fc2d3525acc696ae2e38c21843bda8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0a1aa44ba17c19b10bc40d2809c5aac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632917e61f4208959686d118c7f19231.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afce305dfd6007815ea0b83d7b9f0f3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/333a29b9b2ccc37e7bbaf56c98d0f6b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c56f2eeb3c54318f4a88993d5fd8d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55bb0405afa96ebf94c5b03fd52763dd.png)
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名校
8 . 已知:
中,
,
,时线
,点D在射线
上,连接
,将线段
绕点D逆时针旋转
得到
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/2/47709eae-b7f1-4602-96fa-e9a27774f5f7.png?resizew=334)
(1)如图1,连接
并延长交射线
于点F,若
,当
时;
①
°;
②求
的长;
(2)如图2,连接
交
于点G,若
,
,试求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45acdbac251ca6b76a166c1242e71df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b6e4a2df58a236c20df5df0d29a466c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f860fd4f992412e6c8d236bb44c9e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.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/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/2/47709eae-b7f1-4602-96fa-e9a27774f5f7.png?resizew=334)
(1)如图1,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cae70b8a9d2d2e96dea62c00ced04b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d653fbebdc18f412b75454425a07de5d.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cb74fdc5724514d0a8a01a7ff420309.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
(2)如图2,连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a9c6a736e6eac98a676fa3232db5a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6cee83d36c4da913e0790e5070c46f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf183bb570296ae27fa34a81a77de7ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
您最近一年使用:0次
2023-11-29更新
|
88次组卷
|
3卷引用:2023年广西桂林市灵川县中考数学一模试题
9 . 【问题探究】
(1)如图1,已知
,点D是
的中点,连接
,则
(填“
”“
”或“
”)
(2)如图2,在梯形
中,
,请过点A作一条直线
平分梯形
的面积,点P是
与
的交点,并说明理由;
【问题解决】
(3)如图3是某公园的一块空地,由
和四边形
组成,
,
,
米,
,
,公园管理人员现准备过点A修一条笔直的小路
(小路面积忽略不计),将这块空地分成面积相等的两部分(点M在
边上),分别种植两种不同的花卉,请在图中确定点M的位置,并计算小路
的长.(结果保留根号)
(1)如图1,已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4673ef63a8d89687b96ee09887ac3daa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c141b06b158e0cdef08fcda3ea44a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392cdb9d30684cce244bef94b8d861b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ff7942da6c3fc4005256fb1458557c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6706fe00b4e231e62d9ecbec567d526b.png)
(2)如图2,在梯形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4adf90a8c2b29334cdc5aa5b554991f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80672dda9430cb42b3136bcb1b67bbad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
【问题解决】
(3)如图3是某公园的一块空地,由
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fa485cf3776f36aaf4abaadaf30fb85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/077956e5f55232814d1a077af264590e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56b1879d919064e3839b8aea8d3459b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b41f2f95d643629321deb6e905c4f1ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a868322c7ec1b016a23df3ea18183080.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d61f0d746987c2f76f5e061f71fc45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25120e4c19a21da5596451798c255902.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1165830b314a0dab65ea267e82bd3f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1ffb98f1e3c1317c0db403d3af04bdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1165830b314a0dab65ea267e82bd3f6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/23/cf4b2284-4668-4b14-a781-d5fb8b49e7e8.png?resizew=465)
您最近一年使用:0次
10 . 已知,点E、F、G、H分别在正方形
的边
、
、
、
上,
,
、
相交于点O,
,已知正方形
的边长为16,
长为20,则
面积的最大值为 _______ .
![](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/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e175cd655463de3bac1ab666f2c25457.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83f1f880e5ffbff036953acaca90c41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a300eebabf880a4d39bf86150e93b790.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c83f1f880e5ffbff036953acaca90c41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e541729910a1be77dd76f46dab90fa16.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/7/a07e48f9-3e02-438b-b4aa-8d290c90c850.png?resizew=177)
您最近一年使用:0次
2023-09-26更新
|
177次组卷
|
3卷引用:2023江苏省南通市启东中考三模数学试题
2023江苏省南通市启东中考三模数学试题2023年江苏省南通市海安市海陵中学中考数学二模试题(已下线)专题22.43 二次函数的图象与性质常考知识点分类专题(培优练)-2023-2024学年九年级数学上册基础知识专项突破讲与练(人教版)