**See help bar at top for construction tips...[br]1. Create any triangle ( use Polygon tool)[br]2. Construct a centroid of the triangle. (Custom tool)[br]3. Construct the orthocenter of the triangle. (Custom tool)[br]4. Construct the circumcenter of the triangle. (Custom tool)[br]What do you notice about the three points within the triangle?[br][br]Try drawing a segment through points...what happens[br]when you move vertices?