如图,在△ABC中,∠A=45°,∠B=30°,CD⊥AB,垂足为D,CD=1,则AB的长为_____ .
![](https://img.xkw.com/dksih/QBM/2018/4/8/1919605563949056/1921033588613120/STEM/5e1dd9fb1a6741c19dacfc339ab9932b.png?resizew=167)
17-18九年级·河南南阳·期中 查看更多[4]
2017-2018学年河南省南阳市宛城区九年级(上)期中数学试卷河南省南阳市唐河县2019-2020学年九年级上学期期中数学试题沪教版(上海)九年级综合拓展卷(一)(已下线)期末检测押题卷(一)-2020-2021学年八年级数学下学期期末专项复习(人教版)
更新时间:2018-04-10 04:55:45
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