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(2003•荆门)如图,AB是⊙O直径,CD是弦,若AB=10cm,CD=6cm...
(2003•荆门)如图,AB是⊙O直径,CD是弦,若AB=10cm,CD=6cm,那么A,B两点到直线CD的距离的和是( )
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A.12cm
B.10cm
C.8cm
D.6cm
考点分析:
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