下面是“经过已知直线外一点作这条直线的垂线”的尺规作图过程.
![](https://img.xkw.com/dksih/QBM/2016/8/3/1574222124285952/1574222130757632/STEM/b2a9b9c7-ba0f-46c7-991f-921313801fc3.png?resizew=723)
请回答:该作图的依据是_______________________________________________________ .
![](https://img.xkw.com/dksih/QBM/2016/8/3/1574222124285952/1574222130757632/STEM/b2a9b9c7-ba0f-46c7-991f-921313801fc3.png?resizew=723)
请回答:该作图的依据是
2016·北京·中考真题 查看更多[1]
更新时间:2016-12-06 13:06:02
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