如图所知,已知OA⊥BC,垂足为点A,联结OB,下列说法:①线段OB是O、B两点的距离;②线段AB的长度表示点B到OA的距离;③因为OA⊥BC,所以∠CAO=90°;④线段OA的长度是点O到直线BC上点的最短距离.其中错误的有( ).
![](https://img.xkw.com/dksih/QBM/2021/4/26/2707994827988992/2710159212658688/STEM/102a9aba-b20e-4251-a1c0-110da8f2d8df.png)
![](https://img.xkw.com/dksih/QBM/2021/4/26/2707994827988992/2710159212658688/STEM/102a9aba-b20e-4251-a1c0-110da8f2d8df.png)
A.1个 | B.2个 | C.3个 | D.4个 |
20-21七年级下·上海·期中 查看更多[5]
上海市长横学区2020-2021学年七年级下学期期中考试数学试题山东省临沂市费县2020-2021学年七年级下学期期末数学试题(已下线)第13章 相交线 平行线(典型30题专练)-2021-2022学年七年级数学下学期考试满分全攻略(沪教版)山东省临沂市费县2022-2023学年七年级下学期期末数学试题(已下线)第01讲 相交线(知识解读+达标检测)-2023-2024学年七年级数学下册《知识解读·题型专练》(人教版)
更新时间:2021-04-29 10:55:56
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【推荐1】下列说法:①在所有连结两点的线中,线段最短;②连接两点的线段叫做这两点的距离;③若线段
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【推荐2】如果
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【推荐1】如图,在
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