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如图,已知AB,CD是⊙O的两条直径,且∠AOC=50°,作AE∥CD,交⊙O于...
如图,已知AB,CD是⊙O的两条直径,且∠AOC=50°,作AE∥CD,交⊙O于E,则弧AE的度数为( )
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A.65°
B.70°
C.75°
D.80°
考点分析:
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