具体步骤如下:
1、在纸上任意点出A、B点,连接AB;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/342ac65c1038534371c579179e13b07eca8088fa?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
2、以B为圆心、大于AB/2的长度为半径画圆弧;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/9825bc315c6034a89a4a46b7c613495409237658?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
3、以A为圆心、步骤2相同半径画圆弧;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/342ac65c10385343716879179e13b07eca808865?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
4、点上两圆弧的交点C、D;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/0eb30f2442a7d933d9681a45a04bd11372f001c7?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
5、连接C、D两点;
![](https://video.ask-data.xyz/img.php?b=https://iknow-pic.cdn.bcebos.com/b3fb43166d224f4a41488d2504f790529822d137?x-bce-process=image%2Fresize%2Cm_lfit%2Cw_600%2Ch_800%2Climit_1%2Fquality%2Cq_85%2Fformat%2Cf_auto)
6、所做线就是垂直线。
扩展资料:
7、尺规作图是指用无刻度的直尺和圆规作图。尺规作图是起源于古希腊的数学课题。只使用圆规和直尺,并且只准许使用有限次,来解决不同的平面几何作图题。
8、要求:
(1)直尺必须没有刻度,无限长,且只能使用直尺的固定一侧。只可以用它来将两个点连在一起,不可以在上画刻度;
(2)圆规可以开至无限宽,但上面亦不能有刻度。它只可以拉开成之前构造过的长度。