如图，已知⊙O是△ABD的外接圆，AB是⊙O的直径，CD是⊙O的弦，∠ABD=58°，则∠BCD等于_刷题宝

题干

如图，已知⊙O是△ABD的外接圆，AB是⊙O的直径，CD是⊙O的弦，∠ABD=58°，则∠BCD等于（）

A：116°

B：32°

C：58°

D：64°

上一题下一题 0.0难度选择题更新时间:2019-12-23 05:23:44

答案(点此获取答案解析）

B

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