旋转演示 by Ooi Soo Huat

GeoGebra 命令及参数

1. SelectedIndex(Bahasa) → nn
2. If(nn ≟ 1, {"Clockwise", "Anticlockwise"}, {"Ikut jam", "Lawan jam"}) → Arah
3. SelectedIndex(Arah) → m
4. If(m ≟ 1, -1, 1) → Ar
5. Polygon(A, B, C) → poly1, c, a, b
6. Rotate(B, (((Ar * d) * 360))°, P) → B'
7. Rotate(C, (((Ar * d) * 360))°, P) → C'
8. Rotate(A, (((Ar * d) * 360))°, P) → A'
9. If(nn ≟ 1, {"None", "Point A", "Point B", "Point C"}, {"Tiada", "Titik A", "Titik B", "Titik C"}) → Angles
10. Polygon(A', B', C') → poly1', c', a', b'
11. Segment(A, P) → f
12. Segment(P, A') → g
13. Segment(B, P) → h
14. Segment(P, B') → i
15. Segment(C, P) → j
16. Segment(P, C') → k
17. If(nn ≟ 1, {"None", "Point A", "Point B", "Point C", "All points", "Line AB", "Line AC", "Line BC"}, {"Tiada", "Titik A", "Titik B", "Titik C", "Semua titik", "Garis AB", "Garis AC", "Garis BC"}) → Trace
18. If(m ≟ 1, Angle[A', P, A], Angle[A, P, A']) → β
19. If(m ≟ 1, Angle[B', P, B], Angle[B, P, B']) → γ
20. If(m ≟ 1, Angle[C', P, C], Angle[C, P, C']) → δ
21. SelectedIndex(Trace) → n
22. SelectedIndex(Angles) → p