The constructions of the four centers of a given triangle (centroid,orthocenter, incenter,circumcenter) that you have completed by this time, will be use to explore the relationship between the centers.

From your previous sketch.

Construct a line segment between the circumcenter and the ortho center.

Select a vertex.

Move the vertex around the sketchpad area, creating from the acute triangle to theobtuse triangle.

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Conjectures: Write your conjectures below.






Present your findings.

Discuss your result with the other memebers of your groups.
Add comments to your sketch to present to other classmates.



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