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(2001•海南)如图,⊙O的内接四边形ABCD的一组对边AD和BC延长后相交于...
(2001•海南)如图,⊙O的内接四边形ABCD的一组对边AD和BC延长后相交于点P,对角线AC和BD相交于点E,则图中共有相似三角形( )
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A.1对
B.2对
C.3对
D.4对
考点分析:
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