The diagram shows triangle ABC inscribed in circle D. The perpendicular bisectors of each side of a triangle are drawn from point D to an unnamed point on the circle. The perpendicular bisectors of each side of triangle ABC meet at point D; this point is also known as the circumcenter because it is the center of the circle circumscribing the triangle. What does the circumcenter have in common with the incenter of the circle?
Both the circumcenter and the incenter are points of _____ because they are the points of intersection of three lines.
- fill in the blank with the correct term.
