| 1. Centroid |
2. Orthocenter |
3. Circumcenter |
4. Circumcircle |
| 5. Incenter |
6. Incircle |
7a. Medial Triangle |
7b.Orthocenter, Mid-segment triangle |
| 8. Orthic triangle |
9.Pedal triangle |
10. Center of Nine Points |
11. Nine Point Circle |
| 12. Trisecting a line segment |
13. Equilateral triangle, given side |
14. Square, given a side |
15. Isosceles triangle, given base and
altitude |
| 16. Triangle centers (H, G, C, and
I) |
17. Triangle centers with Euler Line |
18. Locus of vertex of a fixed angle that subtends
a segment |
19. Divide a segment AB into two parts that
form a golden ratio |
| 20. Pentagon, given a radius |
21.Pentagon, given a side |
22. Hexagon, given a side |
23. Octagon , given a side |
| 24. Euler Line |
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