如图,小艾同学坐在秋千上,秋千旋转了80°,小艾同学的位置也从A点运动到了A'点,则∠OAA'的度数为_____ .
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/e7b6da27-4593-45bf-b7a3-7a54d4ab334b.png?resizew=158)
更新时间:2020-02-01 13:13:27
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【推荐1】如图,已知⊙O是△ABC的外接圆,连接AO,若∠B=40°,则∠OAC=______ °.
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【推荐2】如图,在四边形
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