Geometry - Centers of Triangles Terms

Centroid

1) Intersection of medians

2) 2:1 ratio

Circumcenter

1) Intersection of perpendicular (⊥) bisectors

2) Equidistant from all vertices

3) Center of circumcircle

4) Can be in, on, or outside the triangle

Incenter

1) Intersection of angle bisectors

2) Equidistant from all sides

3) Center of the incircle

4) Always inside the triangle

Orthocenter

1) Intersection of altitudes

2) Can be inside, on, or outside the triangle