which of the following is the best definition of a perpendicular bisector?

Question

a. a perpendicular bisector intersects a segment at its midpoint
b. a perpendicular bisector intersects a segment at a 90-degree
c. a perpendicular bisector intersects a segment at its midpoint and at a 90-degree angree

Answer 1

c. a perpendicular bisector intersects a segment at its midpoint and at a 90-degree angle.