凸、凹及自相交多边形 - 教学与探索

GeoGebra 命令及参数

1. Polygon(A, B, C, D, E, F) → poli1, a, b, c, d, e, f
2. InteriorAngles(poli1) → α, β, γ, δ, ε, ζ
3. Segment(A, C) → g
4. Segment(A, D) → h
5. Segment(A, E) → i
6. Segment(B, F) → j
7. Segment(B, E) → k
8. Segment(B, D) → l
9. Segment(C, E) → m
10. Segment(D, F) → n
11. Segment(C, F) → p
12. Angle(F, A, B) → alfa'
13. Angle(A, B, C) → beta'
14. Angle(B, C, D) → gamma'
15. Angle(C, D, E) → delta'
16. Angle(D, E, F) → epsilon'
17. Angle(E, F, A) → fi'