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(2003•深圳)如图,已知四边形ABCD是⊙O的内接四边形,且AB=CD=5,...
(2003•深圳)如图,已知四边形ABCD是⊙O的内接四边形,且AB=CD=5,AC=7,BE=3,下列命题错误的是( )
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A.△AED∽△BEC
B.∠AEB=90°
C.∠BDA=45°
D.图中全等的三角形共有2对
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