Glencoe Resources

Extra Practice Problems

Interactives

Circumcenter  Created by perpendicular bisectors; equidistant from the vertices of the triangle; can be inside, outside, or on the triangle
Incenter  Created by angle bisectors; equidistant from the sides of the triangle; only found inside the triangle
Centroid  Created by medians; not equidistant from anything; 1/3 and 2/3 rule; only found inside the triangle
Orthocenter  Created by altitudes (height); can be inside or outside of the triangle
Incenter  Created by angle bisectors; equidistant from the sides of the triangle; only found inside the triangle
Centroid  Created by medians; not equidistant from anything; 1/3 and 2/3 rule; only found inside the triangle
Orthocenter  Created by altitudes (height); can be inside or outside of the triangle