The perpendicular bisector in a triangle

Explore the intersection point(s) of perpendicular bisectors in a triangle
[list][br][*] A triangle ABC is given. Draw the perpendicular bisectors for each side (Check the box)[br][*] What did you notice? [br][*] Move the vertices A, B and C and do the steps again.[br][*] Can you form a conjecture?[br][/list]

Information: The perpendicular bisector in a triangle