Please help with the following question: https://www.sendspace.com/file/wy7d2d?
回答 (1)
2017-12-08 12:02 am
link DE, then DE//AB and DE/AB/2
---> triangle ABF is similar to triangle DEF
AF = 2 DF, BF = 2 EF ---> triangle AEF=triangle BDF=2 triangle DEF
Ans: (A)
---> triangle ABF is similar to triangle DEF
AF = 2 DF, BF = 2 EF ---> triangle AEF=triangle BDF=2 triangle DEF
Ans: (A)
收錄日期: 2021-04-18 18:03:27
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20171130165022AAmVWaV