Geometer's Sketchpad Tools
Colleen Foy
1. Centroid 13. Trisect a segment (Method 3)
2. Orthocenter 14. Trisect a segment (Method 4)
3. Circumcenter 15. Trisect a segment (Method 5)
4. Circumcircle 16. Trisect a segment (Method 6)
8. Orthocenter, Mid-segment triangle
11. Trisect a segment (Method 1)
12. Trisect a segment (Method 2)