Open Middle: 带有方位角练习的 GeoGebra 演示

GeoGebra 命令及参数

1. Textfield(a) → InputBox1
2. Textfield(b) → InputBox2
3. Textfield(c) → InputBox3
4. Textfield(d) → InputBox4
5. Textfield(f) → InputBox5
6. Textfield(g) → InputBox6
7. Textfield(h) → InputBox7
8. Textfield(i) → InputBox8
9. Point(Ray[(0, 0), (1, 0)]) → A
10. Circle((0, 0), A) → e
11. Rotate(B, ((-((100 * a) + (10 * b) + c)) * π / 180), (0, 0)) → B'
12. Ray((0, 0), B') → j
13. Intersect(yAxis, xAxis) → C
14. Rotate(A, (((100 * d) + (10 * f) + g) * π / 180), (0, 0)) → A'
15. Ray(C, A') → k
16. Mode(l1) → l2
17. If(Length[l2] ≟ 0, "No digits repeat!", "Repeated digits exist.") → text4
18. Vector(C, B') → u
19. Vector(C, A') → v
20. Angle(B', C, B) → α
21. Angle(A, C, A') → β
22. Line((0, 0), (1, 0)) → n
23. Line((0, 1), (0, 0)) → p
24. Dilate(pic1, 0.2, D) → pic1'