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(2002•苏州)如图,四边形ABCD内接于⊙O,若∠BOD=160°,则∠BC...
(2002•苏州)如图,四边形ABCD内接于⊙O,若∠BOD=160°,则∠BCD=( )
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A.160°
B.100°
C.80°
D.20°
考点分析:
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