3.  Warm Up –Graded Centroid Construction (10 minutes)  Homework Check (10 minutes)  Centroid Practice (25 minutes)  What is an altitude? (10 minutes)  Mathawaii Review (25 minutes)  Practice Worksheet  Take online quiz (link available on Gage Page) and print out results or email them to me.  Quiz next class!

8. In the diagram below, G is the centroid of YZL. What are the coordinates of point G (the centroid)?

10. What is the intersection point of the three medians of a triangle called?

11. What is the intersection point of the three altitudes of a triangle called?

12. The angle bisectors of a triangle ____________________ meet inside the triangle. (always, sometimes, never)

13. The perpendicular bisectors of a triangle ____________________ meet inside the triangle. (always, sometimes, never)