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(2002•苏州)如图,⊙O的弦AB=8cm,弦CD平分AB于点E.若CE=2c...
(2002•苏州)如图,⊙O的弦AB=8cm,弦CD平分AB于点E.若CE=2cm,则ED长为( )
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A.8cm
B.6cm
C.4cm
D.2cm
考点分析:
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