如图,在每个小正方形边长为1的方格纸内将
经过一次平移后得到
,图中标出了点
的对应点
.根据下列条件,利用格点 解决问题:
(1)补全
;
(2)线段
与线段
的关系是________.
(3)利用格点在图中画出
边上的高
;
(4)请在
边上找一点
,使得线段
平分
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7c314398e26ffc7164b82946eeb4273.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/12/50f83032-1f99-477b-8e0e-2ac1a304db9c.png?resizew=255)
(1)补全
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8ee6e1d480ece7117e1f87ebf4bbeea.png)
(2)线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6024fd4532f5f981deac4582c799a6ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6655cc150ddc9deba2254780984d0024.png)
(3)利用格点在图中画出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
(4)请在
![](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/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
更新时间:2023-06-08 11:16:02
|
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解答题-作图题
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适中
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【推荐1】如图,网格中每个小正方形的边长都为1,将△ABC经过一次平移后得到△A1B1C1,图中标出了点B的对应点B1.
(1)请画出平移后的△A1B1C1;
(2)利用网格画出△ABC 中AC边上的中线BD,高BE;
(3)△A1B1C1的面积为 ;
(4)若△ABP △ABC面积相等,这样的格点P有 个
(1)请画出平移后的△A1B1C1;
(2)利用网格画出△ABC 中AC边上的中线BD,高BE;
(3)△A1B1C1的面积为 ;
(4)若△ABP △ABC面积相等,这样的格点P有 个
![](https://img.xkw.com/dksih/QBM/editorImg/2022/9/21/84efe392-22e9-463e-a23c-0897f503b3be.png?resizew=211)
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解答题-作图题
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适中
(0.65)
【推荐2】如图,在正方形网格中有一个格点
,(即
的各顶点都在格点上),按要求进行下列作图:
![](https://img.xkw.com/dksih/QBM/2019/9/29/2301193563979776/2301281068081152/STEM/955107646cb748b284f919b69d31b46f.png?resizew=274)
画出
中
边上的高
;(提醒;别忘了标注字母!)
画出将
向上平移
格后的
:
连接
,四边形
的面积是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://img.xkw.com/dksih/QBM/2019/9/29/2301193563979776/2301281068081152/STEM/955107646cb748b284f919b69d31b46f.png?resizew=274)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf6c84731e5e1bd335ecfc2d36c3d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
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解答题-证明题
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适中
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【推荐1】如图,已知∠BDC+∠EFC=180°,∠DEF=2∠B.
(1)求证:ED∥BC;
(2)若D,E,F分别是AB,AC,CD边上的中点,四边形ADFE的面积为6.
①求△ABC的面积;
②若G是BC边上一点,CG=2BG,求△FCG的面积.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/12/f24bc8f6-6723-4d59-9edd-8c1a57e50c2d.png?resizew=130)
(1)求证:ED∥BC;
(2)若D,E,F分别是AB,AC,CD边上的中点,四边形ADFE的面积为6.
①求△ABC的面积;
②若G是BC边上一点,CG=2BG,求△FCG的面积.
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解答题-问答题
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适中
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名校
【推荐2】如图,
分别是
的高线、角平分线和中线.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/fbfa6f13-3c9f-4bb4-903b-2b5252fb64e5.png?resizew=202)
(1)有下列结论:①
;②
;③
;④
与
互余.其中正确的是_______(填序号).
(2)若
,求
的度数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/868bd17e0eb1ade8cd432942d4140c55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/fbfa6f13-3c9f-4bb4-903b-2b5252fb64e5.png?resizew=202)
(1)有下列结论:①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d599ed70468036fb95b72012e510ed9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8149e6cd3d2f2304af7a8527002a6bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c6640835a9ea37774fa670f908dd1ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194741f4d2ae7ee44cafca780361446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5157b42da58d55daad27d98b2fec15ff.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5988477e2d497ab822db15c0299ac160.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/194741f4d2ae7ee44cafca780361446a.png)
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解答题-作图题
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适中
(0.65)
【推荐1】如图,方格纸中的每个小方格都是边长为1个单位的正方形,在建立平面直角坐标系后,
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(1)将
向下平移4个单位,得
,画出
.
(2)作
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,画出
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的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a812a9b58ccba331cfd21d244329af01.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/18/63cc996e-9ce9-464b-82c8-8693519f0467.png?resizew=233)
(1)将
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4310db23fc79936c7182361e652bab1a.png)
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(2)作
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![](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)
【推荐2】如图,在平面直角坐标系
中,三角形
的三个顶点坐标分别为
,点
的坐标是
,现将三角形
平移,使点A平移到点
处,
分别是B,C的对应点.
![](https://img.xkw.com/dksih/QBM/2022/4/17/2967120730939392/3017686678683648/STEM/c144745533c54653832a640fc89a396b.png?resizew=247)
(1)根据题意,画出平移后的三角形
(不写画法),并直接写出
的坐标;
(2)求三角形
的面积;
(3)若将C点向右平移
个单位长度到点D,使得三角形
的面积等于3,直接写出m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
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(1)根据题意,画出平移后的三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a1264a2e3609e1c274acb89b5ea5019.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
(2)求三角形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
(3)若将C点向右平移
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