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唔該呀
MAth 一問
2008-10-23 1:57 am
回答 (2)
2008-10-23 2:36 am
2008-10-23 2:45 am
same:
the point of center : (6,6)
so..
>>>(y-6)^2 + (x-6)^2 = 4
>>>y^2-12y+36+x^2-12x+36 = 4
>>>y^2-12y-12x+x^2+68=0
u can test it by insert (8,6) and (4,6) and (6,4)
the point of center : (6,6)
so..
>>>(y-6)^2 + (x-6)^2 = 4
>>>y^2-12y+36+x^2-12x+36 = 4
>>>y^2-12y-12x+x^2+68=0
u can test it by insert (8,6) and (4,6) and (6,4)
收錄日期: 2021-04-20 11:54:15
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20081022000051KK01183