菱形探索资源

GeoGebra 命令及参数

1. Circle(A, B) → c
2. Point(c) → D
3. Circle(B, A) → d
4. Circle(D, A) → e
5. Intersect(d, e, 2) → C
6. Segment(A, B) → a
7. Segment(B, C) → b
8. Segment(C, D) → f
9. Segment(D, A) → g
10. Midpoint(A, C) → E
11. Segment(D, E) → h
12. Segment(E, B) → i
13. Segment(C, E) → j
14. Segment(E, A) → k
15. Angle(D, C, E) → α
16. Angle(E, C, B) → β
17. Angle(B, A, E) → γ
18. Angle(E, A, D) → δ
19. Angle(C, B, E) → ε
20. Angle(E, B, A) → ζ
21. Angle(E, D, C) → η
22. Angle(A, D, E) → θ
23. Angle(C, E, D) → ι
24. Polygon(A, B, C) → poly1, c_1, a_1, b_1
25. Mirror(A, k) → A'
26. Mirror(B, k) → B'
27. Mirror(C, k) → C'
28. Polygon(A', B', C') → poly1', c', a', b'
29. Polygon(D, A, B) → poly2, b_2, d_1, a_2
30. Mirror(D, h) → D'
31. Mirror(A, h) → A'_1
32. Mirror(B, h) → B'_1
33. Polygon(D', A'_1, B'_1) → poly2', b'_1, d', a'_1
34. Polygon(A, B, C, D) → poly3, a_3, b_3, c_2, d_2
35. Segment(D, B) → s
36. Segment(A, C) → t