[" 19.Prove that the perpendicular bisectors of the sides of a cyclic quadrilateral are "],[" concurrent."]

Prove that the perpendicular bisectors of the sides of triangle are concurrent.

Show that the perpendicular bisectors of the sides of a triangle are concurrent.

Show that the perpendicular bisectors of the sides of a triangle are concurrent.

Prove analytically that the perpendicular bisector of the sides of a triangle ar concurrent.

Prove analytically : The perpendicular bisector of the sides of a triangle are concurrent.

A, B and C are three points on a circle. Prove that the perpendicular bisectors of AB, BC and CA are concurrent.

Prove that the internal bisectors of the angles of a triangle are concurrent

Prove that the internal bisectors of the angles of a triangle are concurrent