尺规作图,不写作法,必须保留作图痕迹.
已知线段:求作:线段
.
已知线段:求作:线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6fac236e537690bcf2d4df9da684490.png)
![](https://img.xkw.com/dksih/QBM/2020/9/10/2547030739419136/2548070057844737/STEM/44a429712ec3493196e82c2e2eeef851.png?resizew=187)
更新时间:2020-09-12 10:44:42
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解答题-作图题
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【推荐1】尺规作图:
已知:如图,线段a、b.
求作:用尺规作线段
.
已知:如图,线段a、b.
求作:用尺规作线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64deec0e17271499a9742c9bdbb2ee8a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/10/0ff32c16-666d-4634-9b7c-cdac7fbe47e5.png?resizew=283)
您最近一年使用:0次
解答题-作图题
|
较易
(0.85)
【推荐2】如图,在
的正方形网格中,点
都在格点上,仅用无刻度的直尺按要求画图(保留画图痕迹,不写画法):
(1)在图1中画出线段
,使
垂直平分
,且点
在格点上;
(2)在图2中画
的角平分线
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3cdc65f4d68a8b3f4c330473f1b7573.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff76846660a607dae65b956967b4c2f4.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/2/aef5c3ce-b8f9-45ac-a82c-c06e2e1c134b.png?resizew=423)
(1)在图1中画出线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf9b288c48c73463a2f214f02b6952a.png)
(2)在图2中画
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febc9a89d0d1c97b88c0f4acd32b4e67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
您最近一年使用:0次