更新1:
To : 翻雷滾天 風卷殘雲 You are not reading the question carefully, the straight lines are XAB and YHK, not AXB nor KYH, please calculate again, thanks.
Circle
2012-10-31 4:46 pm
Two circles with centers O and O' and different radius intersects. Points of intersection are X and Y. XAB is any straight line with A on circle O and B on circle O'. YHK is any straight line with H on circle O' and K on circle O. Prove that AK // BH.
回答 (2)
2012-11-01 7:09 am
✔ 最佳答案
圖片參考：http://i1096.photobucket.com/albums/g340/pingshek/2012-10-31-2.png?t=1351696006
http://i1096.photobucket.com/albums/g340/pingshek/2012-10-31-2.png?t=1351696006
參考: pingshek
2012-10-31 5:36 pm
圖片參考：http://i1191.photobucket.com/albums/z467/robert1973/Oct12/Crazycircle1.jpg
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參考: 原創答案
收錄日期: 2021-04-30 16:58:52
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20121031000051KK00083