GSP Script Tool
8. Orthocenter, Mid-segment triangle.
11. Center of Nine point circle
14. Equilateral triangle, given a side
16. Isosceles triangle, given base and altitude
17. Triangle Centers (H, G, C, and I)
(H:Orthocenter, G: centroid, C: circumcenter, I:intercenter)
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 a golden ratio.