which term describes the point where three angles bisector of a triangle intersect
The three perpendicular bisectors all intersect at the same point, called the circumcenter. Circumcenter: The point of concurrency for the perpendicular bisectors of the sides of a triangle. 3. Erase the arc marks to leave only the perpendicular bisectors. Put the pointer of your compass on the circumcenter. Open the compass so that the pencil is on one of the vertices.