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如图,正方形的四个顶点在直径为4的大圆圆周上,四条边与小圆都相切,AB,CD过圆...
如图,正方形的四个顶点在直径为4的大圆圆周上,四条边与小圆都相切,AB,CD过圆心O,且AB⊥CD,则图中阴影部分的面积是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103100910581253479/SYS201311031009105812534010_ST/images0.png)
A.4π
B.2π
C.π
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103100910581253479/SYS201311031009105812534010_ST/0.png)
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如图,两正方形彼此相邻且内接于半圆,若小正方形的面积为16cm
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如图,在⊙O中,OA=AB,OC⊥AB,则下列结论错误的是( )
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