如图，梯子的各条横档互相平行，若∠1=80°，则∠2的度数是_刷题宝

题干

如图，梯子的各条横档互相平行，若∠1=80°，则∠2的度数是（　　）

A：90°

B：100°

C：110°

D：120°

上一题下一题 0.0难度选择题更新时间:2019-07-12 11:23:02

答案(点此获取答案解析）

B

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