**Write-Up #5 **

**GSP Script Tools**

By Jaepil Han

**Write-Up #5. The write-up for these explorations is to create a file on your home page with links to various GSP script tools you have produced. I anticipate that some of the list below will be included, but that you will also add items to the list as the quarter progresses. The write-up will be a library of GSP files with script tools..**

**GSP Script Tools **

1. Centroid

2. Orthocenter

3. Circumcenter

4. Circumcircle

8. Orthocenter, Mid-segment triangle.

10. Pedal triangle

11. Center of Nine point circle

14. Equilateral triangle, given a side

15. Square, given a side

16. Isosceles triangle, given 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 a golden ratio.

21. Pentagon, given a radius.

~~22. Pentagon, given a side.~~

23. Hexagon, given a side.

24. Octagon, given a side.

25*. Tangent Circles (inside, but still works for other cases like overlap or disjoint)