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如图,点A、D、G、M在半⊙O上,四边形ABOC、DEOF、HMNO均为矩形.设...
如图,点A、D、G、M在半⊙O上,四边形ABOC、DEOF、HMNO均为矩形.设BC=a,EF=b,NH=c,则下列各式中正确的是( )
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A.a>b>c
B.b>c>a
C.c>a>b
D.a=b=c
考点分析:
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