Concurrent: When 3 or more lines intersect at 1 point, that point is called the point of concurrency.
Thm 4-6: Perpendicular bisectors of the sides of a triangle are congruent at 1 point equidistant from the vertices.
Thm 4-7: The angle bisectors of a triangle are concurrent at a point equidistant from the sides.
Median of a Triangle: A segement whose endpoints are a vertex and the midpoint of the side opposite the vertex.
Altitude: A Perpendicualr segment from a vertex to the line containing the side opposite the vertex.
What what the title of the last page?