F.4 MATHS...........................................................
圖片參考：http://imgcld.yimg.com/8/n/HA00002921/o/701007170064513873369900.jpg
F.4 MATHS
2010-07-17 9:32 pm
回答 (1)
2010-07-17 9:50 pm
✔ 最佳答案
As follows:圖片參考：http://i707.photobucket.com/albums/ww74/stevieg90/06-44.jpg
2010-07-17 13:51:11 補充：
Note that the diameter passes through the center.
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100717000051KK00645