在由边长为1的小正方形组成的网格中,
的顶点都在格点上,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0795208a43c0bf7ba2642a0e4d38035.png)
(1)将
的向上平移5个单位长度,向右平移1个单位长度得到
,直接写出
的坐标;
(2)将
绕点O旋转180°得到
,在网格中画出
;直接写出
的坐标;
(3)将
绕点O逆时针旋转90°得到
,在网格中画出
;
(4)在y轴上确定点D,使
最小,最小值为_________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfaba0309c471a4246ca3254a3cdaf17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3db929f14e1fe2c41740a1f2552894d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0795208a43c0bf7ba2642a0e4d38035.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/8/c020a579-9ab3-40df-be5c-4a89f161e1e4.png?resizew=168)
(1)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828dc8dc7259c510b6d63abf40f60e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828dc8dc7259c510b6d63abf40f60e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
(3)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9be9dd0c6b8db3b2e20c3043297c022.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9be9dd0c6b8db3b2e20c3043297c022.png)
(4)在y轴上确定点D,使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce58cc25e9dbb308908ae61853882dd5.png)
更新时间:2023-12-10 21:13:11
|
相似题推荐
解答题-作图题
|
适中
(0.65)
【推荐1】如图,在
的正方形网格中,每个小正方形的顶点称为格点,小正方形边长均为
,线段
的端点均在格点上.
![](https://img.xkw.com/dksih/QBM/2020/4/14/2441497161072640/2442026306887680/STEM/e3e51e5585b04f5a9d9fdabee06bb66b.png?resizew=187)
(1)在图中画出等腰直角
,使
,则
面积为_________.
(2)在图中找一点
,并连结
、
,使
的面积为
.
(要求:只用无刻度的直尺,保留作图痕迹,不写作法)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd4be97adde17423d59d86d18318c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/2020/4/14/2441497161072640/2442026306887680/STEM/e3e51e5585b04f5a9d9fdabee06bb66b.png?resizew=187)
(1)在图中画出等腰直角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c06154cae3bf7a8ce5a1e97a7380875.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
(2)在图中找一点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db5e1441a49e782ff0ef46e776cde06a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e93941f67a248bdbedb285b4e40500.png)
(要求:只用无刻度的直尺,保留作图痕迹,不写作法)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐2】如图,网格是由小正方形拼成,每个小正方形的边长都为1.四边形ABCD的四个点都在格点上.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/27/2d0cf241-53e8-4bb7-a456-3e95dc7afa59.png?resizew=150)
(1)四边形ABCD的面积为________,周长为________;
(2)求证:∠BCD是直角;
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/27/2d0cf241-53e8-4bb7-a456-3e95dc7afa59.png?resizew=150)
(1)四边形ABCD的面积为________,周长为________;
(2)求证:∠BCD是直角;
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐1】如图,△ABC在直角坐标系中,
(1)请写出
各点的坐标;
(2)若把△ABC向上平移2个单位,再向左平移1个单位得到
,在图中画出
;
(3)求出△ABC的面积.
(1)请写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
(2)若把△ABC向上平移2个单位,再向左平移1个单位得到
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061989be1f8110209a399bfc3a3b49b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/061989be1f8110209a399bfc3a3b49b6.png)
(3)求出△ABC的面积.
![](https://img.xkw.com/dksih/QBM/2021/7/6/2758453903712256/2822923539013632/STEM/c5fc8fd2-9a3d-4f54-86ba-c3c83f3fe6d4.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐2】如图,在单位正方形网格中,建立了平面直角坐标系
,试解答下列问题:
(1)写出△ABC三个顶点的坐标;
(2)若将△ABC向右平移6个单位,再向下平移2个单位后得到△
,请画出平移后的△
;
(3)求△ABC的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f2beb91f10d2d8f2aa0dcc3f5cd1598.png)
(1)写出△ABC三个顶点的坐标;
(2)若将△ABC向右平移6个单位,再向下平移2个单位后得到△
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b48c1c55f7305f4739b772c3c6576701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b48c1c55f7305f4739b772c3c6576701.png)
(3)求△ABC的面积.
![](https://img.xkw.com/dksih/QBM/2020/7/27/2515085480755200/2516099782868992/STEM/09ba0b28719b4b1c949067733933262c.png?resizew=218)
您最近一年使用:0次
解答题-证明题
|
适中
(0.65)
【推荐1】(1)问题探究:
如图1,在正方形
中,对角线
、
相交于点O.在线段
上任取一点P(端点除外),连接接
、
.
①求证:
;
②将线段
绕点P逆时针旋转,使点D落在
的延长线上的点Q处.当点P在线段
上的位置发生变化时,求证:
;
(2)迁移探究:
如图2,将正方形
换成菱形
,且
,其他条件不变,试探究
与
的数量关系,并说明理由.
如图1,在正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.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/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16968907df4640f2246d917e29ef1d71.png)
②将线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fd17a66a2af938c89e46f22e4d893b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dea2ae9d515f9ab351ad72306b776ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2c3d2cba96f6f03520c0b3f6e4da03e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81de078d10936db97740b8dfa4d86293.png)
(2)迁移探究:
如图2,将正方形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e075468e7fb0bf30229aec01a7205977.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63a253c7fdf589ee3dece13d5b5b5732.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/24/2a962212-9f79-4824-b864-2a0f5e55829f.png?resizew=380)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】在平面直角坐标系中,抛物线C1:
(m为常数)的顶点为M,与y轴交于点N.
(1)若点P(
,a)在抛物线C1上,求a的值;
(2)当点M到x轴的距离是
时,求m的值;
(3)在(2)的条件下,且m取有理数时,将抛物线C1绕点M旋转180°得到抛物线C2,设C2与x轴交于A、B两点(点A在点B的左侧),问在抛物线C2的对称轴上是否存在点Q,使∠AQB=∠ANB?若存在,求点Q的坐标,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d21d2b4662337a02b0addcf9e0af4cb.png)
(1)若点P(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
(2)当点M到x轴的距离是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
(3)在(2)的条件下,且m取有理数时,将抛物线C1绕点M旋转180°得到抛物线C2,设C2与x轴交于A、B两点(点A在点B的左侧),问在抛物线C2的对称轴上是否存在点Q,使∠AQB=∠ANB?若存在,求点Q的坐标,若不存在,请说明理由.
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐3】在学习《圆》这章时,我们学习了圆周角定理的推论:圆内接四边形的对角互补;事实上,它的逆命题:对角互补的四边形的四个顶点共圆,也是一个真命题.在图形旋转的综合问题中经常会出现对角互补的四边形,那么,我们就可以借助“对角互补的四边形的四个顶点共圆”,然后借助圆的相关知识来解决问题,例如:
已知:如图,
是等腰直角三角形,
,点
是
内一点,连接
,将线段
绕点
顺时针旋转
得到线段
,连接
,并延长
交直线
于点
.请解答下列问题:
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/26/7aa52a41-17f0-4b54-8d9b-0c93e7f6c605.png?resizew=150)
(1)当点
在如图所示的位置时,
①求
的度数;
②利用题干中的结论,证明:
四点共圆;
(2)连接
,点
在
内部运动的过程中,若
,直接写出线段
的长.
已知:如图,
![](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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5149cd9701f509e63d531816c28a4cf.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/26/7aa52a41-17f0-4b54-8d9b-0c93e7f6c605.png?resizew=150)
(1)当点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e35cfb01d9e4729e9b41eb33feb5b8c6.png)
②利用题干中的结论,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b0cb7e3ec9f4d7f8fb95d9faf004953.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2319a01218514917e446dfc807a625ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e5687809cf4654601ecdfe1cecba72c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2319a01218514917e446dfc807a625ff.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐1】如图,网格中每个小正方形的边长都是单位1,
是格点三角形.
向右平移2个单位得到的
;
(2)画出将
绕点O顺时针方向旋转
得到的
,并写出点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(2)画出将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828dc8dc7259c510b6d63abf40f60e90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】活动;在平面直角坐标系中,把点
绕着原点顺时针腚转
得到点
.
(1)填表:
(2)发现:用
,
表示
点坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c02b54dc6b3e1bb6544f47d4c8743fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5209cf3b0c9a91e93f73aa93cab13d18.png)
(1)填表:
![]() | ![]() | ![]() | ![]() | |
![]() | ![]() | ![]() | ![]() |
![](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/acc290b44635265137fdf13146b6a6d9.png)
您最近一年使用:0次