8.直线截圆所得的劣弧所对圆心角为( ) A.30 B.45 C.60 D.90 查看更多

 

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直线截圆所得的劣弧所对圆心角为(     )

   A.30                         B.45                       C.60                       D.90

 

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直线截圆所得的劣弧所对圆心角为(    )
A.30B.45C.60D.90

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直线截圆所得的劣弧所对圆心角为(     )

   A.30                                 B.45                               C.60                               D.90

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直线截圆所得的劣弧所对圆心角为(     )

   A.30                                 B.45                               C.60                               D.90

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直线截圆所得的劣弧所对圆心角为(     )

   A.30                         B.45                       C.60                       D.90

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