如图,点A,B,C是同一平面内三个点,借助直尺、三角板、量角器按要求画图(以答题卡上印刷的图形为准 ),并回答问题:
![](https://img.xkw.com/dksih/QBM/2022/1/19/2897991053172736/2917693944127488/STEM/6197236c-b573-4451-a99d-7754de247e18.png?resizew=131)
(1)画直线AC;
(2)连接AB并延长到点D,使得
;
(3)画
的平分线AE;
(4)在射线AE上作点M,使得
最小;
(5)请画图 并测量点C到直线AB的距离约为_________cm(精确到0.1cm).
![](https://img.xkw.com/dksih/QBM/2022/1/19/2897991053172736/2917693944127488/STEM/6197236c-b573-4451-a99d-7754de247e18.png?resizew=131)
(1)画直线AC;
(2)连接AB并延长到点D,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4dd6e7c88601b4c50b06f1238fdd95d.png)
(3)画
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21b28f28ced0531d1df34fcf04c6c67f.png)
(4)在射线AE上作点M,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e211e1a1b43adc52e401350b26c9a16.png)
(5)请
更新时间:2022-02-16 16:06:26
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解答题-作图题
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适中
(0.65)
【推荐1】已知平面上的四点
,
,
,
.按下列要求画出图形:
(1)画直线
,射线
,连接
,
;
(2)在四边形
内找一点
,使它到四边形四个顶点的距离的和
最小,并说明理由__________.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(1)画直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
(2)在四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a1e1daca79300596c9a8d37b5cb6b18.png)
![](https://img.xkw.com/dksih/QBM/2021/1/15/2636523830435840/2637558644121600/STEM/4f8af332-aaed-4f17-8921-aaa3144f6433.png)
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解答题-作图题
|
适中
(0.65)
【推荐2】按要求画图,并回答问题:
如图,已知平面上四个点 A,B,C,D,请按要求回答下列问题:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/1/5996aae1-c9a9-42e1-b92b-6a8f945124f0.jpg?resizew=149)
(1)画直线
,射线
,连接
;
(2)取线段
中点E;
(3)请在直线
上确定一点F,使点F到点E与点C的距离之和最短,并写出画图依据(保留作图痕迹).
如图,已知平面上四个点 A,B,C,D,请按要求回答下列问题:
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/1/5996aae1-c9a9-42e1-b92b-6a8f945124f0.jpg?resizew=149)
(1)画直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(2)取线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
(3)请在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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解答题-问答题
|
适中
(0.65)
【推荐1】如图,在
中,
,
,
,
,点
从点
出发,沿射线
以
的速度运动,点
从点
出发,沿线段
以
的速度运动,
、
两点同时出发,当点
运动到点
时
、
停止运动,设
点的运动时间为
秒.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/7/15/0913ebb8-6c96-45e5-8a6d-5a0e7e7320f8.png?resizew=127)
(1)当
______时,
;
(2)当
______时,
;
(3)画
于点
,并求出
的值;
(4)当
______时,有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82da6815bc213dfd78c2f77cd7ded8ed.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34ac28fa5d9c1a17c3e8cad82bc52e20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04677de22b01b81ddc25b91a2cb449e9.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/971b23e3ee827018557d6c88edd5369a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f051275aa34c90fd6957973f6640753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c084dc62a6c09bcccc424c48e1b0e0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4acb220347acd1bda1e25f9aad40ff8e.png)
(2)当
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(3)画
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad63ab71efa010821650ffe08bd907f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
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(4)当
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解答题-作图题
|
适中
(0.65)
【推荐2】如图,点A在直线l外,点B在直线l上,选择适当的工具画图.
(1)过点A,画直线l的垂线
,垂足为C;
(2)平移
,点A、B、C的对应点分别是点D、C、E,画出平移后的
;
(3)如果
,求
的度数.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/16/f6670ed5-8665-4fdd-92e7-c9b966104639.png?resizew=121)
(1)过点A,画直线l的垂线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(2)平移
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a0acc93490a6a784eb62201d93dd93d.png)
(3)如果
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/640e9e7c56e8eeda044fb55396088816.png)
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