如图,A,B,C,D是⊙O上四点,
,∠E=30°,则∠DBE的度数是( )
![](https://img.xkw.com/dksih/QBM/2018/11/22/2080628211982336/2083635297984512/STEM/e9886f090e744005a1bfad43824565c5.png?resizew=219)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbc6acc2e933101a028091cf0b2500a4.png)
![](https://img.xkw.com/dksih/QBM/2018/11/22/2080628211982336/2083635297984512/STEM/e9886f090e744005a1bfad43824565c5.png?resizew=219)
A.17.5° | B.22.4° | C.22.5° | D.23° |
更新时间:2018-11-26 06:29:46
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