Before the Activity
Provide each student with a copy of the attached .pdf document.
During the Activity
This activity will help students visualize the four main triangle center points. This exercise will challenge students as it requires them to find the coordinates of the points of intersection of the special lines built on the triangle and then show that these three points are collinear.
After the Activity
Review student answers
As a class, discuss questions that appeared to be more challenging
Re-teach concepts as necessary