I want a list of references (reason) of geometric proof questions...
such as angle sum of triangle, angle in semi-circle, tangent properties...........................................many, many...
No matter it is out-syllibus.
I want all...
收錄日期: 2021-04-23 19:27:06
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061225000051KK03101