Find the equation of the perpendicular bisector of A(-2,1)and B(4,-5)
perpendicular垂直
bisector 等分
人气：280 ℃ 时间：2020-05-25 07:16:35
解答
首先找到A、B点的中点（1,-2）,之后,因为AB的斜率K1为（-5-1）/（4-（-2））=-1,所以AB中垂线的斜率为1,所以AB中垂线为Y=X-3.
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