易求得,线段AB的中垂线方程为x+y=4.线段AC段的中垂线方程为5x+y=24.
解二元一次方程组{x+y=4,5x+y=24}
===>x=5,y=-1.
===>所求的圆心坐标为(5,-1).
一个圆过三点A(-8,-1),B(5,12),C(17,4),则此圆的圆心坐标是
一个圆过三点A(-8,-1),B(5,12),C(17,4),则此圆的圆心坐标是
求教各位哥哥姐姐帮小弟解下~感激涕零
求教各位哥哥姐姐帮小弟解下~感激涕零
数学人气:232 ℃时间:2020-01-27 10:48:08
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