SOLUTION
Given the question in the image, the following are tge solution steps to answer the question.
STEP 1: Define a perpendicular bisector of a triangle.
he perpendicular bisectors of a triangle are lines passing through the midpoint of each side which are perpendicular to the given side. A triangle’s three perpendicular bisectors meet at a point known as the circumcenter which is also the center of the triangle’s circumcircle.
The perpendicular bisector is a line that divides a line segment or a side into two equal parts. It also makes a right angle with the line segment.
ANSWER:
line segment or side