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equidistant
a a point is this from two figures when the point is the same distance from each figure
Perpendicular bisector theorem
if a point lies on the perpendicular bisector of a a segment then it is equidistant from the endpoints of the segment.
converse of the perpendicular bisector theorem
if a point is equidistant from the endpoints of a segment then it lies on the perpendicular bisector of the segment
Angle bisector theorem
if a point lies on the bisector of an angle then it is equidistant from the two sides of the angle
Converse of the base angles theorem
if a a point lies in the interior of angle and is equidistant from the two sides of the angle then it lies on the bisector of the angle
Circumcenter theorem
the circumcenter of a triangle is equidistance from the vertices of the triangle
Concurrent lines
When three or more lines, rays, or segments intersect the same point,.
Point of concurrency
the point of intersection of the lines, rays, or segments
Circumcenter
In a triangle, the three perpendicular bisectors are concurrent. The point of concurrency is this.
Incenter theorem
the incenter of a triangle is equidistant from the sides of the triangle.