__Assignment 3 &
4 Write-Up__

**The Problem:**

Create scripts for at least 15 of these of the 23 geometric constructions given below. Use Geometer's Sketchpad and include links to GSP scripts of your constructions.

**Constructions:**

1. Centroid

2. Orthocenter

3. Circumcenter

4. Circumcircle

5. Incenter

6. Incircle

7a. Orthocenter, Medial Triangle

10. Center of Nine Point Circle

13. Equilateral Triangle, 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 fixed segment

19. Divide a segment AB into two parts that form a golden ratio

21. Pentagon, given a side

23. Octagon, given a side