A circular plate has a crack along the line AB, as shown below: A circular plate is shown. The center of the plate is labeled as
A. B is a point on the circumference of the plate. A straight line joins the points A and B. If A is the center of the plate, what is the segment AB called?
Well, since point A represents the center, and B represents a point on the outer line of the circle, segment AB would represent the radius, since the radius represents the length from the center to the outside of a circle