如图,
的顶点A、B、C都在小正方形的顶点上,小正方形的顶点叫格点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/10/a7e5347f-2c19-4a71-b23e-3d8cee62be7c.jpg?resizew=260)
(1)画
,使它与
关于直线l对称;
(2)在直线l上找一点P,使点P到点B、C的距离相等;
(3)在直线l上找一点Q,使
的周长最小;
(4)请找出格点D(不与点A重合),使得
与
的面积相等,这样的点D有______个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/10/a7e5347f-2c19-4a71-b23e-3d8cee62be7c.jpg?resizew=260)
(1)画
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)在直线l上找一点P,使点P到点B、C的距离相等;
(3)在直线l上找一点Q,使
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b17f20c25bb16153b5f2d25062ed7a7.png)
(4)请找出格点D(不与点A重合),使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7ac5396c5ea442e0364b50c1db3d2da.png)
更新时间:2022-11-08 11:31:22
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相似题推荐
解答题-问答题
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适中
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名校
【推荐1】如图,一次函数
与反比例函数
的图象交于点
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/11/400d4bba-49b5-4b36-b69a-766f0e6c0067.png?resizew=178)
(1)求反比例函数和一次函数的解析式的解析式;
(2)根据图象直接写出
时
的取值范围;
(3)在
轴上找一点
,使
的值最小,求满足条件的点
的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/888cf62de648e7c3694e6258f20d62ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0778813665f307942db9769077032f97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c06d5758035f6a317e9629490a3c8846.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/11/400d4bba-49b5-4b36-b69a-766f0e6c0067.png?resizew=178)
(1)求反比例函数和一次函数的解析式的解析式;
(2)根据图象直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2e7a7aff4e7663a7e3228018a1db665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(3)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a13ec9a812274ad0839f20ba17348687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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解答题-作图题
|
适中
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【推荐2】如图,在下列带有坐标系的网格中,△ABC的顶点都在边长为1的小正方形的顶点上,且点A的坐标为(﹣3,4).
(1)作出△ABC关于y轴对称的△DEF(点A与点D对应);
(2)已知△ABC与△A′B′C′关于直线MN对称(点A与点A′对应),试作出直线MN;
(3)在(2)的条件下,观察△ABC与△A′B′C′各对对应点的坐标之间的关系,若Q(x,y)是△ABC内部任意一点,请直接写出这点在△A′B′C′内部的对应点Q′的坐标为 .
(4)在(2)的条件下,在直线MN上作出一点P,使PB+PC的值最小,并简要描述作法.
(1)作出△ABC关于y轴对称的△DEF(点A与点D对应);
(2)已知△ABC与△A′B′C′关于直线MN对称(点A与点A′对应),试作出直线MN;
(3)在(2)的条件下,观察△ABC与△A′B′C′各对对应点的坐标之间的关系,若Q(x,y)是△ABC内部任意一点,请直接写出这点在△A′B′C′内部的对应点Q′的坐标为 .
(4)在(2)的条件下,在直线MN上作出一点P,使PB+PC的值最小,并简要描述作法.
![](https://img.xkw.com/dksih/QBM/2021/12/9/2868884454244352/2869335746904064/STEM/75aedb90-a714-4158-a886-eea73fe82714.png?resizew=302)
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解答题-问答题
|
适中
(0.65)
【推荐1】在
中,
边的重直平分线
交
于
边的垂直平分线
交
于![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e28ce60503fab70ce1797449d90dadc.png)
与
相交于点
.
![](https://img.xkw.com/dksih/QBM/2020/4/10/2438680818081792/2439405741916160/STEM/2070186f-c126-4ccf-8b9b-3f9ce6fee555.png)
(1)若
的周长为
,求
;
(2)在(1)的条件下,若
的周长为
求
;
(3)若
,求
的度数?
![](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/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79488814cff01cf54404c0af0f4cf582.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e28ce60503fab70ce1797449d90dadc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/2020/4/10/2438680818081792/2439405741916160/STEM/2070186f-c126-4ccf-8b9b-3f9ce6fee555.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af62da2f87dfc02c63e7a1c0949f09d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)在(1)的条件下,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7ffcd1925a2b1259221c6a476152f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d5a46e535e0b5f65b8614b4817b16e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7234f415c60423448133afadae531305.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57e7106619c08f2bcc1d21f846e8a0de.png)
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解答题-证明题
|
适中
(0.65)
【推荐2】已知
中,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/e2c13e14-0429-422f-bf7c-45cf036e5e24.png?resizew=335)
(1)如图1,在
中,若
,且
,求证:
;
(2)如图2,在
中,若
,且
垂直平分
,
,
,直接写
的长为___________;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047dc9795efa99b6fb9fdf9778085dab.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/e2c13e14-0429-422f-bf7c-45cf036e5e24.png?resizew=335)
(1)如图1,在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2d212c1709b8e72a055cf1b5381ef64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43651721f6c0ea4cf50a33054ecc5d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a26b33f5b71039c35ac5e93795e254f9.png)
(2)如图2,在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acaa532eb5f4084e17df0eb73d90f5f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f927c0e469bae17b902f3b4df617610c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
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解答题-作图题
|
适中
(0.65)
【推荐1】如图;在长度为
个单位长度的小正方形网格中,
三个顶点在格点上.
![](https://img.xkw.com/dksih/QBM/2020/1/30/2388309208948736/2389487692644352/STEM/b91574e549904f8fa2a884f061431f9f.png?resizew=243)
(1)请建立适当的平面直角坐标系,使点
的坐标为
,点
的坐标为
,并写出
点坐标;
(2)在图中作出
关于
轴对称的
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://img.xkw.com/dksih/QBM/2020/1/30/2388309208948736/2389487692644352/STEM/b91574e549904f8fa2a884f061431f9f.png?resizew=243)
(1)请建立适当的平面直角坐标系,使点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5265d99095b635f62c7915298ec0e963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/238f0ea276a00ae8d681ce00cc11c8ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)在图中作出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c3135fa20c32d04a270750f77c1f2d.png)
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解答题-问答题
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适中
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【推荐2】如图,在
的正方形网格中,每个小正方形的边长均为1,
的三个顶点均在小正方形的顶点上.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/24/34e6ac0d-52ee-4edc-9412-4ee06775af0a.png?resizew=464)
(1)在图1中画
(点
在小正方形的顶点上),使
与
全等,且点
在直线
的下方(点
不与点
重合);
(2)在图2中画
(点E在小正方形的顶点上),使
与
全等,且
;
(3)请直接写出
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6520b9563555f6045532692114bdf2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854f480c60b88b546cb15d3b5622e212.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/24/34e6ac0d-52ee-4edc-9412-4ee06775af0a.png?resizew=464)
(1)在图1中画
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d16a4959a99193a52d6fa8648cb2eb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289d7a880379d6060065c829b45b0ed6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d16a4959a99193a52d6fa8648cb2eb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854f480c60b88b546cb15d3b5622e212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289d7a880379d6060065c829b45b0ed6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/289d7a880379d6060065c829b45b0ed6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1132157a33c82610c2d5035493d024.png)
(2)在图2中画
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25210e0771a109f4e5e81a0d4ecf7f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25210e0771a109f4e5e81a0d4ecf7f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854f480c60b88b546cb15d3b5622e212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d76df3983ea24f61c44bcea1c67d5a6f.png)
(3)请直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854f480c60b88b546cb15d3b5622e212.png)
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