如图,已知AB为⊙O的直径,C,D是圆上AB同侧的两点,∠ACD=120°,则∠BAD=( )
![](https://img.xkw.com/dksih/QBM/2021/12/30/2883422135181312/2886436156522496/STEM/17f7753c-f4d8-4335-81da-f027844bfddb.png?resizew=119)
![](https://img.xkw.com/dksih/QBM/2021/12/30/2883422135181312/2886436156522496/STEM/17f7753c-f4d8-4335-81da-f027844bfddb.png?resizew=119)
A.50° | B.40° | C.30° | D.20° |
更新时间:2022-01-03 12:12:18
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