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如图,矩形纸片ABCD中,AB=3cm,BC=4cm,若要在该纸片中剪下两个外切...
如图,矩形纸片ABCD中,AB=3cm,BC=4cm,若要在该纸片中剪下两个外切的圆⊙O
1和⊙O
2,要求⊙O
1和⊙O
2的圆心均在对角线BD上,且⊙O
1和⊙O
2分别与BC、AD相切,则O
1O
2的长为( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022164116915558097/SYS201310221641169155580006_ST/images0.png)
A.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022164116915558097/SYS201310221641169155580006_ST/0.png)
cm
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022164116915558097/SYS201310221641169155580006_ST/1.png)
cm
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131022164116915558097/SYS201310221641169155580006_ST/2.png)
cm
D.2cm
考点分析:
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