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如图,⊙O是正方形ABCD的外接圆,点P在⊙O上,则∠APB等于( ) A.30...
如图,⊙O是正方形ABCD的外接圆,点P在⊙O上,则∠APB等于( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103102412276603221/SYS201311031024122766032008_ST/images0.png)
A.30°
B.45°
C.55°
D.60°
考点分析:
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