The circumcenter of any triangle is the intersection point of _______ of the three sides of triangle. Fill in the blank with suitable option.
Here,L1 is the perpendicular bisector of line BC
L2 is the perpendicular bisector of line AC.
L3 is the perpendicular bisector of line AB.
Point O is the intersection of all the perpendicular bisectors and it is called the circumcentre of triangle ABC.