已知在
方格纸中,每个小格均为边长是1的正方形,
的位置如图所示,请按照要求完成下列各题:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/23/b6448643-ec10-4b45-9372-7d345ec395f0.png?resizew=211)
(1)将
向右平移2格,向上平移3格后,得到
,请画出
.
(2)连接
,判断
与
的关系,并求出四边形
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13a96e9c2e2a15130d1d56a1d0e16b72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/23/b6448643-ec10-4b45-9372-7d345ec395f0.png?resizew=211)
(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/4310db23fc79936c7182361e652bab1a.png)
(2)连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ebf67d880172b27fefacc3c5b808eae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f96c673a2381f118ea2d3efc0bca1f3.png)
更新时间:2023-04-17 15:05:43
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解答题-作图题
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较易
(0.85)
【推荐1】在平面直角坐标系中, △ABC如图(每个小正方形的边长均为1).
![](https://img.xkw.com/dksih/QBM/2020/4/28/2451125760147456/2454261740969984/STEM/35f1abec-bee1-461a-b75c-67166ee7d275.png?resizew=284)
(1)请画出△ABC沿x轴向右平移4个单位长度,再沿y轴向上平移2个单位长度后的△A′B′C′(其中A′、B′、C′分别是A、B、C的对应点,不写画法)
(2)直接写出A′、B′、C′三点的坐标:A′(____,_____); B′(____,_____);C′(____,_____).
(3)求△A′B′C′的面积.
![](https://img.xkw.com/dksih/QBM/2020/4/28/2451125760147456/2454261740969984/STEM/35f1abec-bee1-461a-b75c-67166ee7d275.png?resizew=284)
(1)请画出△ABC沿x轴向右平移4个单位长度,再沿y轴向上平移2个单位长度后的△A′B′C′(其中A′、B′、C′分别是A、B、C的对应点,不写画法)
(2)直接写出A′、B′、C′三点的坐标:A′(____,_____); B′(____,_____);C′(____,_____).
(3)求△A′B′C′的面积.
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解答题-作图题
|
较易
(0.85)
【推荐2】在平面直角坐标系xOy中,三角形
三个顶点的坐标分别为
,
,
;
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/19/94fda22a-2dea-4faf-aadc-54b6a9cc99cb.png?resizew=253)
(1)在图中画出三角形
;
(2)将三角形
向上平移2个单位再向左平移1个单位得到三角形
,写出点
,
,
的坐标,并在图中画出平移后三角形.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cea6f63894aba70f5c4cfa7740eca6f.png)
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![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/19/94fda22a-2dea-4faf-aadc-54b6a9cc99cb.png?resizew=253)
(1)在图中画出三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(2)将三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b16cff607cdc2d69afc70dc778acbb.png)
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解答题-作图题
|
较易
(0.85)
【推荐1】画图并填空:如图,方格纸中每个小正方形的边长都为 1.在方格纸内将△ABC 经过一次平移后得到△A′B′C′,图中标出了点 B 的对应点 B′.
(1)在给定方格纸中画出平移后的△A′B′C′;
(2)画出△A′B′C′中 A′B′ 边上的中线 C’D 和 B’C’边上的高线 A’E;
(3)写出线段 AA′与线段 BB′的关系;
(4)求三角形 A’C’D 的面积(写出简单的推理过程).
(1)在给定方格纸中画出平移后的△A′B′C′;
(2)画出△A′B′C′中 A′B′ 边上的中线 C’D 和 B’C’边上的高线 A’E;
(3)写出线段 AA′与线段 BB′的关系;
(4)求三角形 A’C’D 的面积(写出简单的推理过程).
![](https://img.xkw.com/dksih/QBM/2019/5/8/2199303654776832/2202214388203520/STEM/9d1764fc7dad4c3a90db4bb832226483.png?resizew=401)
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解答题-证明题
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较易
(0.85)
【推荐2】已知线段
与
相交于点B,
,将线段
沿着
平移得到
.线段
上(点M不与点B,C重合),连接
.证明:
;
(2)如图2,点M在线段
的延长线上,连接
.(1)中的结论还成立吗?若不成立,探究
与
的数量关系.(直接写出结论,不必证明)
(3)在图3中按要求补全图形:①连接
,②在线段
的延长线上取一点M,③画
的平分线
交直线
于N;直接写出
与
的数量关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e918b70b02a73685e3c536c7f380e2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2877511dad18c6bd7730d7bc4469d13b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a438ba217a938412bd5094a338050d4b.png)
(2)如图2,点M在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b71f8f80919cc3b3e83d75b125c8c07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a8f39efc0290ab789cbc28f20eeadc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/574b30568945d352be0b8a8aac2d857f.png)
(3)在图3中按要求补全图形:①连接
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/574b30568945d352be0b8a8aac2d857f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a54e7b35c73ee578c4d01479ddb74cc.png)
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