In the figure,ABC is an equilateral triangle and BCDE is a square.Find angle EAD
唔該哂 =]
更新1:
請以詳盡列式作答 ...
更新2:
re : sinyi1113 我唔太明點解ab = eb ..
更新3:
對唔住 左下角個個係B
請以詳盡列式作答 ...
re : sinyi1113 我唔太明點解ab = eb ..
對唔住 左下角個個係B
收錄日期: 2021-04-23 20:41:06
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100221000051KK00903