講野無point的人 發表於 2006-5-12 02:03:23

原帖由 ming1989 於 2006-5-902:42 PM 發表
maths mc唔識果2條
let O br the orgin.If the coordinates of the points A and B
are(6,0) and (0,6) respectively then the coordinates of
the in-centre of 三角形ABO are:
A. (0,0)
B. (2,2)
C. (3, ...
呢兩條題我都唔識

in-centre唔識咩黎
圓公式又唔識背:icon101:
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