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如图,在△ABC中,已知∠A=90°,AB=AC=2,O为BC的中点,以O为圆心...
如图,在△ABC中,已知∠A=90°,AB=AC=2,O为BC的中点,以O为圆心的圆弧分别与AB、AC相切于点D、E,则图中阴影部分的面积( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190906720404875/SYS201311011909067204048008_ST/images0.png)
A.1-
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190906720404875/SYS201311011909067204048008_ST/0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190906720404875/SYS201311011909067204048008_ST/1.png)
C.1-
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190906720404875/SYS201311011909067204048008_ST/2.png)
D.2-
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131101190906720404875/SYS201311011909067204048008_ST/3.png)
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