1. Centroid
2. Orthocenter
3. Circumcenter
4. Circumcircle
5. Incenter
6. Incircle
8. Orthocenter Mid-Segment Triangle
10. Pedal Triangle
11. Center of Nine Point Circle
14. Equilateral Triangle, given a side
16. Isosceles triangle, given a base and altitude
17. Triangle Centers (H, G, C, and I)
18. Triangle Centers with Euler Line
19. Locus of vertex of a fixed angle that subtends a fixed segment
20. Divide a segment AB into two parts that form the golden ratio
26. Parabola
