#include<stdio.h>
#include<math.h>
int main()
{
float x1,x2,y1,y2;
float x3,y3,l1,l2,l3;
printf("enter value of x1,y1");
scanf("%d%d",&x1,&y1);
printf("enter value of x2,y2");
scanf("%d%d",&x2,&y2);
l1 = sqrt(pow((x2-x1),2)+pow((y2-y1),2));
printf("%f\n",l1);
x3=(float)l1/2;
y3=(float)sqrt((l1*l1)-(x3*x3));
printf("(x3,y3) is %f,%f\n",x3,y3);
l2 = sqrt(((x3-x2)*(x3-x2))+((y3-y2)*(y3-y2)));
l3 = sqrt(((x1-x3)*(x1-x3))+((y1-y3)*(y1-y3)));
printf("%f  %f  %f",l1,l2,l3);
if(l1==l2==l3)
printf("it is equi");
else
printf("it is not equi");
return 0;
}

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MC4wCjAuMAo2LjAKOC4w

0.0
0.0
6.0
8.0