在平面坐标系中,三角形外心坐标怎么求?用c语言写# include<stdio.h># include<math.h>double X1,Y1,X2,Y2,X3,Y3,x4,y4,length1,length2,length3int avo2023-02-24Python210
在平面坐标系中,三角形外心坐标怎么求?用c语言写# include<stdio.h># include<math.h>double X1,Y1,X2,Y2,X3,Y3,x4,y4,length1,length2,length3int avo2023-02-24Python210