A perpendicular to a line segment will be its perpendicular bisector if it passes through the ___ of the given line segment.
A perpendicular to a line segment will be its perpendicular bisector if it passes through the midpoint of the given line segment
Perpendicular bisector is a line that is perpendicular to the given line segment intersecting at its __________.
The locus of centers of all circles passing through two given points A and B is ______.