如图,圆O是△ACD的外接圆,AB是圆O的直径,∠BAD=48°,则∠C的度数是( )
![](https://img.xkw.com/dksih/QBM/2020/3/31/2431350232006656/2432241941962752/STEM/b6bcb0624d094e95ace506fc579c554e.png?resizew=116)
![](https://img.xkw.com/dksih/QBM/2020/3/31/2431350232006656/2432241941962752/STEM/b6bcb0624d094e95ace506fc579c554e.png?resizew=116)
A.30° | B.42° | C.45° | D.48° |
更新时间:2020-04-01 19:11:48
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【知识点】 半圆(直径)所对的圆周角是直角解读
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