矩形的测量

GeoGebra 命令及参数

1. Line(D, C) → a
2. OrthogonalLine(C, a) → b
3. Point(b) → B
4. OrthogonalLine(B, b) → c
5. OrthogonalLine(D, a) → d
6. Intersect(c, d) → A
7. Polygon(A, B, C, D) → poly1, d_1, c_1, b_1, a_1
8. Distance(A, B) → distanceAB
9. Distance(B, C) → distanceBC
10. Distance(C, D) → distanceCD
11. Distance(D, A) → distanceDA
12. Segment(A, C) → e
13. Segment(B, D) → f
14. Intersect(e, f) → E
15. Distance(A, C) → distanceAC
16. Distance(B, D) → distanceBD
17. Distance(A, E) → distanceAE
18. Distance(C, E) → distanceCE
19. Distance(B, E) → distanceBE
20. Distance(D, E) → distanceDE
21. Angle(D, A, B) → α
22. Angle(A, B, C) → β
23. Angle(B, C, D) → γ
24. Angle(C, D, A) → δ
25. Angle(B, E, A) → ε
26. Angle(C, E, B) → ζ
27. Angle(D, E, C) → η
28. Angle(A, E, D) → θ
29. Angle(E, A, B) → ι
30. Angle(A, B, E) → κ
31. Angle(E, B, C) → λ
32. Angle(B, C, E) → μ
33. Angle(E, C, D) → ν
34. Angle(C, D, E) → ξ
35. Angle(E, D, A) → ο
36. Angle(D, A, E) → ρ