1 . (1)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a085bbd3a93ec0db2c79ae0f2af604a1.png)
______ ;
(2)如图,
,
是
的中点,
平分
,下列说法:①
平分
,②点E到
的距离等于
,③
,④
,⑤
.其中正确的有______ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a085bbd3a93ec0db2c79ae0f2af604a1.png)
(2)如图,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7d8397018b0a01a1b4e9574604f9e76.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/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3981e7286d41960daf4e110c1c84e03a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4189a0821a0ffab9dc171ecd279ba442.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38d00572a90232e08932317af2a53767.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95c562adb241caeba188b983f534a489.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/032b3e422eeb39cf649dffc9934a7cf0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/3/e56e95b5-e33b-4f77-9a7a-a4190b9b5169.png?resizew=117)
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2 . 如图,在平面直角坐标系中,
,
为
轴上一动点,连接
并延长至点
,使
,取
轴负半轴上一点
,使得
,以
,
为边作
.
)点
的坐标为______ .
(
)设点
坐标为
,则点
的坐标为______ (用含
的代数式表示),连接
,则
长度的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913f78382630e50543e5f7192cae3ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93f0a92f55c60723665fb899d46100d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fca3734de79f7f50b552ef62b29dc7c.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/5138a9f70d5e8b0580e30fef6eb7baef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2832f82fdeafa819c92ca5c1e74eb5ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
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2023-12-09更新
|
268次组卷
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6卷引用:河北省保定市安新县2022-2023学年八年级下学期期末数学试题B卷
河北省保定市安新县2022-2023学年八年级下学期期末数学试题B卷(已下线)专题9.13 平行四边形(题型分类拓展)-2023-2024学年八年级数学下册基础知识专项突破讲与练(苏科版)(已下线)第9章 中心对称图形——平行四边形(单元测试·拔尖卷)-2023-2024学年八年级数学下册基础知识专项突破讲与练(苏科版)(已下线)专题18.38 平行四边形题型分类专题(坐标问题)(分层练习)-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)考题猜想3-1平行四边形(构造平行四边形解题的6种应用类型)-2023-2024学年八年级数学下学期期末考点大串讲(人教版)(已下线)专题6.19 平行四边形(题型分类专题)(分层练习)(拨尖练)-2023-2024学年八年级数学下册基础知识专项突破讲与练(北师大版)
3 . 在平面直角坐标系
中,正方形
的顶点
.则点
的坐标为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95eeb2790f5a012e05daa491325f66d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/19/5d9d771d-1e2b-4377-8fc0-d42a19f84f05.png?resizew=117)
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4 . 如图,三个边长相同的正方形叠放在一起,
、
是其中两个正方形的中心,阴影部分的面积和是4,则正方形的边长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f919bd3dde10dbbc076f7ec5149699.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c4f6f74444b2b7947fc6e35c8d62322.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/18/37e8a9ad-26b3-47d1-a5e0-a40092d2f499.png?resizew=200)
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5 . 如图,一次函数
的图象分别与
轴、
轴交于点
,
,以线段
为边在第一象限内作等腰
,
.
(1)
的面积是________ ;
(2)点
的坐标是________ ;
(3)过
,
两点直线的函数表达式为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3dea3495a1c3975fe15e5e4854fe6b1.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/15/f4f05e17-127a-467f-9fd6-b82990f05f9e.png?resizew=177)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(3)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
6 . 在平面直角坐标系
中,正方形
的顶点
,
.则直线
的函数表达式为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c84818cfbd9a885081cb4e3294eabe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08ef03f452410ab19c6246567c427178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/17/7248a3b3-1cf2-449e-a2f7-4425c719c213.png?resizew=180)
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7 . 中国古代数学家刘徽在《九章算术注》中,给出了证明三角形面积公式的出入相补法.如图所示,在
中,分别取
、
的中点D、E,连接
,过点A作
,垂足为F,将
分割后拼接成矩形
.若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b401ace4a896a0d417b87943d16bf63.png)
___________ ,
的面积是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.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/876bb8ce0ca53475fa091ffd18bdc94a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66536b6d4dd18013c97f385c3224416.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a525f61ab2d5aa978a08b84600d3cfda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b401ace4a896a0d417b87943d16bf63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/1/3036c81c-e2ec-478f-a88d-4ed61a49b90a.png?resizew=171)
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8 . 如图,在平面直角坐标系中,一次函数
的图像与x轴、y轴分别交于点A、B,将直线
绕点A顺时针旋转
,则旋转后的直线的函数表达式为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4de869ae6b6dc5b79fcae3de540b30bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/26/2e597ef8-ef0f-4371-8404-fc2cfa066314.png?resizew=189)
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2023-02-16更新
|
513次组卷
|
8卷引用:河北省邢台市内丘县2022-2023学年八年级上学期数学期末试题
河北省邢台市内丘县2022-2023学年八年级上学期数学期末试题江苏省南京市联合体2022-2023学年八年级上学期期末数学试题江苏省南京市六合区2022-2023学年八年级上学期期末数学试题(已下线)专题03一次函数(12大类型)-【好题汇编】备战2023-2024学年八年级数学上学期期末真题分类汇编(苏科版)(已下线)专题19.12 一次函数(一)(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)(已下线)专题4.33 一次函数与几何问题分类专题(分层练习)(基础练)-2023-2024学年八年级数学上册基础知识专项突破讲与练(北师大版)(已下线)专题6.41 一次函数与几何问题分类专题(分层练习)(基础练)-2023-2024学年八年级数学上册基础知识专项突破讲与练(苏科版)(已下线)专题19.35 一次函数几何分类专题(旋转问题)-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)
9 . 如图,有一块边长为2的正方形塑料模板ABCD,将一块足够大的直角三角板的直角顶点落在A点,两条直角边分别与CD交于点F,与CB延长线交于点E,则四边形AECF的面积是___________ .
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/9/535d64b2-e91c-43a9-8459-25b803078fdf.png?resizew=156)
您最近一年使用:0次
10 . 如图,等腰
中,
,
,
于点D,点E在
的延长线上,点F在线段
上,且
.有下面四个结论:①
;②
;③
是等边三角形;④
.其中所有正确结论的序号是____________ .
![](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/0fffa3d9c32da53b0ea0c338012ea20c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b5f215a42c4b7078d8d65923eb9980e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efbc0e76b7abb656327bdc97226713e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c4e4a162f12d12a082b8d8fdd1aeab9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2209e37a38ef9d6fa89339b5373a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f5a0a6e5b3f489a7032ea5116c96024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fba5c6655364a6745b14253768372ad7.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/3/1ecb4055-21c5-4a05-b5b6-8ccab755aecd.png?resizew=184)
您最近一年使用:0次
2023-01-02更新
|
172次组卷
|
3卷引用:河北省廊坊市三河市燕郊金子塔学校2022-2023学年八年级上学期期末考试数学试题