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(2003•内蒙古)如图,两弦AB、CD相交于M,且AC=CM=DM,MB=AM...
(2003•内蒙古)如图,两弦AB、CD相交于M,且AC=CM=DM,MB=
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232416290285382/SYS201310212324162902853001_ST/0.png)
AM=1,则圆的直径等于( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232416290285382/SYS201310212324162902853001_ST/images1.png)
A.
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B.5
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131021232416290285382/SYS201310212324162902853001_ST/2.png)
D.10
考点分析:
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