The circumcenter is the intersection of three ...
Construct the circumcenter. Move the triangles vertices around, what do you notice?
The incenter is the intersection of three ....
Construct the incenter. Move the triangles vertices around, what do you notice?
The centroid is the intersection of three ...
Construct the centroid. Move the triangles vertices around, what do you notice?
The intersection of three .... is the orthocenter.
Construct the orthocenter. Move the triangles vertices around, what do you notice?