已知△ABC内接于⊙O,连接AO并延长交BC于点D,若∠B=62°,∠C=50°,则∠ADB的度数是( )
![](https://img.xkw.com/dksih/QBM/2019/6/12/2223910696402944/2227328332390400/STEM/9bfe74489f4b435eb95cdd752ceec8b9.png?resizew=125)
![](https://img.xkw.com/dksih/QBM/2019/6/12/2223910696402944/2227328332390400/STEM/9bfe74489f4b435eb95cdd752ceec8b9.png?resizew=125)
A.68° | B.72° | C.78° | D.82° |
2019·福建福州·三模 查看更多[9]
更新时间:2019-06-17 06:54:00
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