如图所示的正方形网格中,每个小正方形的边长均为
个单位,
的三个顶点都在格点上.
关于直线
对称
;
(2)在直线
上作一点
,使得
的值最小:
(3)求
的面积.
![](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/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
(2)在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e538ecb0f77fb4ac984f70241f5c3bf3.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
更新时间:2024-02-01 09:41:34
|
相似题推荐
解答题-作图题
|
适中
(0.65)
【推荐1】如图,在边长为1个单位长度的小正方形组成的网格中,点A、B、C在小正方形的顶点上.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/177b8499-34f9-4eca-a223-b0c17c4b3773.png?resizew=160)
(1)
___________(是、不是)直角三角形.
(2)在图中画出与
关于直线l成轴对称的
.
(3)在直线l上找一点P,使
的长最短.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/7/177b8499-34f9-4eca-a223-b0c17c4b3773.png?resizew=160)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)在图中画出与
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
(3)在直线l上找一点P,使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a13ec9a812274ad0839f20ba17348687.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
【推荐2】平面直角坐标系
中,每个小网格是长度为1个单位的小正方形,已知点
,点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/26/4820778b-bb7c-4a91-8455-f07fbedaf2dc.png?resizew=168)
完成下列问题:
(1)在平面直角坐标系
中,画出
;
(2)在图中画出
关于x轴的对称图形
;
(3)在x轴上存在一点P,使得
的值最小,请在图中画出点P(不必写过程,但要保留作图痕迹).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d14cd46db17d64f86660b987402503a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c78b8c8353ed5d9144e451c56afa9607.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/26/4820778b-bb7c-4a91-8455-f07fbedaf2dc.png?resizew=168)
完成下列问题:
(1)在平面直角坐标系
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
(2)在图中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/866b81a8384cce4f24867baca2e6820c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b7dc2fe5d920e74d0941b8c1db9ec04.png)
(3)在x轴上存在一点P,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a13ec9a812274ad0839f20ba17348687.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,在平面直角坐标系中,每个小方格都是边长为1个单位的正方形,
的顶点均在格点上,点
的坐标为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/10/6ce2ce65-0762-4eae-a6a3-7447ff70b09e.png?resizew=248)
(1)画出
关于
轴对称的
,并写出
点的坐标;
(2)画出将
绕原点
按逆时针旋转
所得的
,并写出
点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/10/6ce2ce65-0762-4eae-a6a3-7447ff70b09e.png?resizew=248)
(1)画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)画出将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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-作图题
|
适中
(0.65)
名校
【推荐2】如图,已知:在平面直角坐标系中,每个小正方形的边长为1,
的顶点都在格点上,点
的坐标为
.请按要求分别完成下列各小题:
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/5/2880613c-83c9-45d2-8ef6-d230bdd832ce.png?resizew=245)
(1)利用坐标轴对称的点的特点,画出
关于
轴对称的
,并直接写出
,
,
的坐标;
(2)若点
为
轴上一点,坐标为
,且
,若
的面积为4.5,求点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bad9a4a9365dc43f23c27b9a64426a3.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/5/2880613c-83c9-45d2-8ef6-d230bdd832ce.png?resizew=245)
(1)利用坐标轴对称的点的特点,画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)若点
![](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/4647d67a1fe8bbecbad7205ce3c626c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4ce64685821c3e55c07f151996ca8c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab2a2834d80ff574e79eae8ca8d4e94f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
您最近一年使用:0次
解答题-作图题
|
适中
(0.65)
名校
【推荐1】如图,在平面直角坐标系中,已知点
的坐标为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/22/3387dd7e-1aad-49e2-b0a7-a8b9490c5f2c.png?resizew=284)
(1)若
轴,且
,则点
的坐标为______;
(2)若点
,连接
、
、
,请直接在图中画出
关于
轴的对称图形
,则
的周长为______;
(3)在(2)的条件下,求出
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/990eaf5dbba84f199bdc438da81fcfa6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/22/3387dd7e-1aad-49e2-b0a7-a8b9490c5f2c.png?resizew=284)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc195a9f7ac138e5a1ad87d5fa201c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/778a6b586f97b314c432a4dbdd6d821b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/828628c0876b45381c9a0edeb0fec236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/173bc7a36757d77f01213411edd25241.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88066376079a59a972d63a7cc2561ec1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88066376079a59a972d63a7cc2561ec1.png)
(3)在(2)的条件下,求出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/173bc7a36757d77f01213411edd25241.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】如图,正方形网格中每个小正方形的边长都是1.
的形状,并说明理由;
(2)求点C到
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)求点C到
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次