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如图,⊙O的半径OA=3,以点A为圆心,OA的长为半径画弧交⊙O于B、C,则BC...
如图,⊙O的半径OA=3,以点A为圆心,OA的长为半径画弧交⊙O于B、C,则BC=( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103100835089976304/SYS201311031008350899763015_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103100835089976304/SYS201311031008350899763015_ST/0.png)
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103100835089976304/SYS201311031008350899763015_ST/1.png)
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103100835089976304/SYS201311031008350899763015_ST/2.png)
D.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103100835089976304/SYS201311031008350899763015_ST/3.png)
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