如图,点B是△ADC的边AD的延长线上一点,DE∥AC,若∠C=50°,∠BDE=

如图,点B是△ADC的边AD的延长线上一点,DEAC,若∠C50°,∠BDE60°,则∠CDB的度数等于(    )

    A70°        B100°  C110°      D120°

 


答案

C

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