D72的知识精选

如图,AB∥CD,AD平分∠BAC,且∠D=72°,则∠C的度数为(  )A.36°B.72°C.108°  ...
问题详情:如图,AB∥CD,AD平分∠BAC,且∠D=72°,则∠C的度数为()A.36°B.72°C.108°   D.144°【回答】A【考点】平行线的*质.【分析】根据角平分线的定义可得∠BAD=∠CAD,再根据两直线平行,内错角相等可得∠BAD=∠D,从而得到∠CA...
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