FIGURE IN THERE:http://wenwen.sogou.com/z/ShowMaskQuestion.e?sp=586357320&sp=Sopenhelp
explain and give reason
Is AB // CD?give the reason
2014-07-24 11:11 pm
回答 (2)
2014-07-29 10:52 pm
✔ 最佳答案
我曾在意見欄解釋過，建議貼到另一網站，但被指責為違規。2014-07-29 14:52:20 補充：
Your figure cannot be seen.
I include below the three conditions that you can show a pair of straight lines to be parallel.
圖片參考：https://s.yimg.com/rk/HA00430218/o/800290803.png
2014-07-27 6:02 am
死 link，無野睇！唔怪得無人能答啦！
收錄日期: 2021-04-16 17:06:18
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20140724000051KK00083