1 . 如图,图1、图2是两张形状、大小完全相同的方格纸,方格纸中的每个小正方形的边长均为1.
(1)如图1,当点
为
的中点时,请在
上找到一点
(点
在小正方形的顶点上且不同于点
),连接
,
,使得
为
,且
;
(2)请在图2中以
为一边画矩形
(非正方形),使点
、
均在小正方形的顶点上并直接写出矩形
的面积.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/1/dd795dcb-183f-42c4-af6c-4dcbbe18505a.png?resizew=434)
(1)如图1,当点
![](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/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/4f541f7ae7c39082d202efd28805c54e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec6411702a396af7b9511d92762a9db5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc8d6bcf591c2f4aaed15c6899b54102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b3341fcd8bcb99c2fe82afe0160ac90.png)
(2)请在图2中以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd29bf793b3027204b019cf1fb86dcb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd29bf793b3027204b019cf1fb86dcb6.png)
您最近一年使用:0次
2 . 如图,在
中,
,
,
,
于点
.点
从点
出发,沿线段
向点
运动,点
从点
出发,沿线段
向点
运动,两点同时出发,速度都为每秒1个单位长度,当点
运动到
时,两点都停止.设运动时间为
秒.
(1)求线段
的长;
(2)设
的面积为
,求
与
之间的函数关系式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd967903ed5a6f640a5b801ec8be0070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed10df4140819d5451773a45de66201b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4494a85de0be0b97a69348115aef8513.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b757f0c42ae5c9a2d6a4b19e5877b27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abaeba15f3abdd877bc701af52c5cd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/22/aaf64e7d-e420-4170-a4ad-8c05b3a2750d.jpg?resizew=116)
(1)求线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e87b2f781cafa7989d81f9bf8c42b150.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)
您最近一年使用:0次
2023-07-18更新
|
79次组卷
|
3卷引用:黑龙江省大庆市杜尔伯特蒙古族自治县2022-2023学年九年级上学期期末数学试题
黑龙江省大庆市杜尔伯特蒙古族自治县2022-2023学年九年级上学期期末数学试题(已下线)专题14 二次函数的应用及二次函数与一元二次方程(十种考法)-【好题汇编】备战2023-2024学年九年级数学上学期期末真题分类汇编(北师大版)第26章 二次函数 26.3 实践与探索华东师大版(2012)九年级下册课后作业
3 . 如图,
是
的直径,
是
上的一点,直线
经过点
,过点A作直线
的垂线,垂足为点
,且
平分
.
(1)求证:直线
是
的切线;
(2)若
,
,求
的半径.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2947ca8e0cdbeb4aab80ce9e7b63ba98.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/31/bb0bca79-a3af-47f3-94e7-e59d217f75f0.png?resizew=175)
(1)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3ad4c0ba3a6750537789844d0ec419d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d97cdc586744d208b6f69c9813af977.png)
您最近一年使用:0次
名校
4 . 如图,
中,
是它的角平分线,
是
上的一点,
交
于点
,
交
于点
为
的中点,若
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68741489eb6ea96a8a24c6aa46f32c00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17c3997f8dd9817e2dc8ab83b79cfce1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cf33d73483c93f24cc6a1d76ef22ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a93880cc479398d2f5ed1bedbe4dc3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6a84b05b69041348a1c56a208995347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f953f03224238a3c83d304dd4a4e7668.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/17/2a64030d-7573-42f9-a3ac-24151d4e83f6.png?resizew=181)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
5 . 如图①,在四边形
中,
,P是对角线
的中点,M是
的中点,N是
的中点.求证:
.结合图①,写出完整的证明过程;
如图②,在四边形
中,
,
,
,点P、Q分别为
、
的中点,求
的长.
方法拓展:如图③,在四边形
中,
,
,
,点P、Q分别在
、
边上,
,
,则
_________.(不用写过程.直接写结果)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d2530e7023b2345c651e8f53629ff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e498ddd40ad424e40b3674ed59e8c6ac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/19/06ac2e98-9036-40e6-a566-8487f73c4fe7.png?resizew=135)
如图②,在四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df0f1e09abab770b21fac00007485d9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f26ad70d2b3aac8604834d57dfc59bb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07140f277a35733d8c97577ccdd4e3ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/19/d0e85c0d-d9c3-4f89-b581-d3561cc612e4.png?resizew=135)
方法拓展:如图③,在四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea6a5b9e3668e9d2b467886241243164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bdf82f2b3ac77ee7b9b35aebe0dd83f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2700a3103aef7c7cdb1ab54bf964639b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52b8fcf1d0c5ebd43027ac2450bf41bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7330af1eaa4fbb442ebc7b47be6b6d7a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/19/41c4ec2a-b5b9-42fc-ac89-2503fe07fef8.png?resizew=135)
您最近一年使用:0次
6 . 如图1,在平面直角坐标系中,一次函数
交y轴于点B,一次函数
与一次函数
交于点A,将线段
沿着
方向平移得到线段
,连接
,点
,过点D作直线
轴.
![](https://img.xkw.com/dksih/QBM/2023/6/8/3255247110742016/3270877238075392/STEM/3bd78ae7ea6348b1b4b24b54ac393bc4.png?resizew=554)
(1)求点A的坐标.
(2)证明:四边形
是矩形.
(3)以点O为中心,顺时针旋转矩形
,得到矩形
,点A,B,C旋转后的对应点分别为
,直线
、直线
分别与直线l相交于点P,Q.记旋转角为α.
①如图2,当矩形
的顶点
落在直线l上时,求点P的坐标.
②在四边形
旋转过程中,当
时,若
,点P的坐标为_____(请直接写出答案).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7c3d0e5b7fbc71d1e5cbe53a302c1b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd8204346e94308e0f4a7b76cb7b6be9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7c3d0e5b7fbc71d1e5cbe53a302c1b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4227fc3348db11694b7eed467945bc65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177e105d92d91009c555bd2672fb1119.png)
![](https://img.xkw.com/dksih/QBM/2023/6/8/3255247110742016/3270877238075392/STEM/3bd78ae7ea6348b1b4b24b54ac393bc4.png?resizew=554)
(1)求点A的坐标.
(2)证明:四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
(3)以点O为中心,顺时针旋转矩形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85fff1dd4920f99effb1d47fdfa24a1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/523a24d613f21b0a46f97507ee94f528.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1586d3ecae6747312b7892bac03cf8bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb0628cecbfc98d390e5447d52414e8.png)
①如图2,当矩形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85fff1dd4920f99effb1d47fdfa24a1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
②在四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3241d7fedd89d85711acd7a2635298af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/165654f64dcc343721d53b85cac3cf86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc18274bb6f2260bf3476d5b4c8f06e5.png)
您最近一年使用:0次
真题
7 . 如图,在菱形
中,
,
,动点
,
同时从
点出发,点
以每秒
个单位长度沿折线
向终点
运动;点
以每秒
个单位长度沿线段
向终点
运动,当其中一点运动至终点时,另一点随之停止运动.设运动时间为
秒,
的面积为
个平方单位,则下列正确表示
与
函数关系的图象是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5b8b98b2f83279a49e94d9f48c5e6f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d2c15801fee2405573677484f5dcfa4.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad1d524208370c4ea9aedb8943231ac5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98013a5042685a1db94249e70c62c09a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2023-06-28更新
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910次组卷
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10卷引用:黑龙江省齐齐哈尔市龙沙区2023-2024学年九年级上学期期末数学试题
黑龙江省齐齐哈尔市龙沙区2023-2024学年九年级上学期期末数学试题2023年黑龙江省绥化市中考数学真题黑龙江省哈尔滨市一一六中学2023-2024学年九年级上学期期中数学试题(已下线)专题28 动点综合问题(共32题)-学易金卷:2023年中考数学真题分项汇编(全国通用)(已下线)XDRzkgssxzw927山东省东营市河口区2023-2024学年九年级上学期期中数学试题(已下线)专题28 动点综合问题(共16道)-学易金卷:2023年中考数学真题分项汇编(全国通用)(已下线)专题09 平面直角坐标系与函数基础(含考点回归+练透中考9类重点考向)-备战2024年中考数学真题题源解密(全国通用)2024年山东省滨州市沾化区九年级中考一模数学试题(已下线)查补重难点04 二次函数图象与性质的运用-【查漏补缺】2024年中考数学复习冲刺过关(江苏专用)
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8 . 如图,在
中,
,下列结论错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60eac22498dcc1dee10c48ee67203df5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/22/dcacea78-80e1-4035-803b-abf4093e602f.png?resizew=170)
A.![]() | B.![]() | C.![]() | D.![]() |
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2卷引用:黑龙江省哈尔滨市第四十七中学2023-2024学年九年级上学期期末数学试题
真题
名校
9 . 如图,抛物线
与
轴交于
两点,与
轴交于点
.抛物线的对称轴
与经过点
的直线
交于点
,与
轴交于点
.
及抛物线的表达式;
(2)在抛物线上是否存在点
,使得
是以
为直角边的直角三角形?若存在,求出所有点
的坐标;若不存在,请说明理由;
(3)以点
为圆心,画半径为2的圆,点
为
上一个动点,请求出
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c977d0f39570f4f89be26efe20cc056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc236aba2122784d9a837803d7de366.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55aa0a20848c37c1892c567b2315e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/231896d2386c924306fce5ccf9f9e8a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
(2)在抛物线上是否存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f9fba8a4098c1a0515286eb8d616dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(3)以点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6f6558fef858bf27e9811c2d9426fe7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33c90eb575f3b707a5d5a420c75c6f27.png)
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13卷引用:黑龙江省大庆市庆新中学2023-2024学年九年级上学期期末数学试题
黑龙江省大庆市庆新中学2023-2024学年九年级上学期期末数学试题四川省德阳市旌阳区2023-2024学年九年级上学期期末数学试题2024年黑龙江省大庆市祥阁学校中考一模数学试题2023年山东省烟台市中考数学真题(已下线)专题11二次函数解答压轴题(精选50道)-学易金卷:三年(2021-2023)中考数学真题分项汇编【山东专用】山东省淄博市周村区周村区第二中学(五四制)2023-2024学年九年级上学期期中数学试题(已下线)第8讲 二次函数与几何图形2024年山东省青岛市中考数学模拟预测题2024年广东省惠州市惠阳区新世纪实验学校一模数学试题2024年山东省济南市商河县清华园学校中考一模数学模拟试题(已下线)数学(陕西卷)-学易金卷:2024年中考考前押题密卷甘肃省张掖市第一中学2023-2024学年九年级下学期期中数学试题2024年广东省东莞市校级联考中考模拟数学试题
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10 . 《周髀算经》中记载了“偃矩以望高”的方法.“矩”在古代指两条边呈直角的曲尺(即图中的
).“偃矩以望高”的意思是把“矩”仰立放,可测量物体的高度如图,点
,
,
在同一水平线上,
和
均为直角,
与
相交于点
.测得
,则树高![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7330af1eaa4fbb442ebc7b47be6b6d7a.png)
______ m.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/787ac5e13622afab5e9f8603afe42356.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a2ca45021ce41a8214772dc2cde8ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80672dda9430cb42b3136bcb1b67bbad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/764509115979e9958101808383672ec0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/446e00afedb8cd4958152a1b760874d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7330af1eaa4fbb442ebc7b47be6b6d7a.png)
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39卷引用:黑龙江省哈尔滨市南岗区2023-2024学年九年级上学期期末数学试题
黑龙江省哈尔滨市南岗区2023-2024学年九年级上学期期末数学试题辽宁省沈阳市于洪区2023-2024学年九年级上学期期末数学试题 辽宁省沈阳市于洪区2023-2024学年九年级上学期期末考试数学试题重庆市南岸区2023-2024学年九年级上学期期末数学试题湖南省永州市零陵区2023-2024学年九年级上学期期末数学试题湖南省永州市冷水滩区2023-2024学年九年级上学期期末数学试题山东省临沂市平邑县2023-2024学年九年级上学期期末数学试题江苏省徐州市2023-2024学年九年级上学期期末数学试题江苏省南京市玄武区2023-2024学年九年级上学期期末数学试题2023年江西省中考数学真题(已下线)专题09 几何图形初步与三角形相关计算(47题)-学易金卷:2023年中考数学真题分项汇编(全国通用)(已下线)专题21 图形的相似(共29题)-学易金卷:2023年中考数学真题分项汇编(全国通用)(已下线)2023年江西省中考数学真题变式题11-15题(已下线)第02讲 相似三角形的判定与性质(知识解读+真题演练+课后巩固)-2023-2024学年九年级数学上册《知识解读·题型专练》(北师大版)(已下线)第02讲 相似三角形的判定与性质(知识解读+真题演练+课后巩固)-2023-2024学年九年级数学上册《知识解读·题型专练》(浙教版)山东省菏泽市成武县育青中学2023-2024学年九年级上学期分班考试数学试题重庆市南岸区第十一中学校2023-2024学年九年级上学期10月月考数学试题江西省宜春市丰城市丰城中学2023-2024学年九年级上学期月考数学试题(已下线)XDRzkgssxzw951(已下线)专题4.21 利用相似三角形测高(直通中考)-2023-2024学年九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4.40 图形的相似(全章直通中考)(基础篇)-2023-2024学年九年级数学上册基础知识专项突破讲与练(北师大版)四川省内江市市中区市中区天立学校2023-2024学年九年级上学期期中数学试题四川省资阳市安岳县李家片区2023-2024学年九年级上学期期中数学试题(已下线)第1讲 相似三角形山东省日照市东港区曲阜师范大学附属中学2023-2024学年九年级上学期12月月考数学试题(已下线)第03讲 相似三角形的性质(知识解读+真题演练+课后巩固)-2023-2024学年九年级数学下册《知识解读·题型专练》(人教版)【43311388】4.5 相似三角形-【智乐星中考·中考备战】2024年山东省中考数学精练本(已下线)第03讲 相似三角形的性质(知识解读+真题演练+课后巩固)-2023-2024学年九年级数学下册《知识解读·题型专练》(苏科版)2024年山东省济宁市洙泗中学九年级下学期第一次数学中考模拟试题 河南省焦作市沁阳市2023-2024学年九年级上学期第二次质量检测数学试题(已下线)数学(江西卷)-学易金卷:2024年中考第一次模拟考试2024年辽宁省部分学校 初中学业水平模拟考试数学模拟试题(一)2024年湖南省长沙市湖南师大附中博才实验中学中考一模数学试题2024年甘肃省天水市甘谷县中考第二次监测考试数学模拟试题(已下线)热点07 相似三角形(7大题型+满分技巧+限时分层检测)-2024年中考数学【热点·重点·难点】专练(全国通用)2024年四川省攀枝花市市直属学校中考二模数学试题(已下线)重难点03+相似三角形(3考点7题型) (1)广东省广州市铁一中学2023-2024学年九年级下学期月考数学试题2024年甘肃省武威市第九中学九年级下学期中考模拟数学试题