1) What is the 準確值 of pi ?
2) How to find the area of a circle?
3) Please write down and explain all the 專有名詞 of circle.Such as sector, arc, radis, segment...
收錄日期: 2021-04-12 20:19:47
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https://hk.answers.yahoo.com/question/index?qid=20070206000051KK01888