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如图,△ABC内接于圆O,∠A=50°,∠ABC=60°,BD是圆O的直径,BD...
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如图,△ABC内接于圆O,∠A=50°,∠ABC=60°,BD是圆O的直径,BD交AC于点E,连接DC,则∠AEB等于( )
A.70°
B.110°
C.90°
D.120°
考点分析:
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