text: The point of intersection of L and M gives the circumcenter
code: pdd circumcenter = lineLineIntersection ( a , b , c , e , f , g ) ; if ( circumcenter . first == FLT_MAX && circumcenter . second == FLT_MAX ) { cout << " The ▁ two ▁ perpendicular ▁ bisectors ▁ " " found ▁ come ▁ parallel " << endl ; cout << " Thus , ▁ the ▁ given ▁ points ▁ do ▁ not ▁ form ▁ " " a ▁ triangle ▁ and ▁ are ▁ collinear " << endl ; } else { cout << " The ▁ circumcenter ▁ of ▁ the ▁ triangle ▁ PQR ▁ is : ▁ " ; cout << " ( " << circumcenter . first << " , ▁ " << circumcenter . second << " ) " << endl ; } }