棱柱展开图 by Arthur Lee

GeoGebra 命令及参数

1. Polygon(A, B, C) → poly1, c, a, b
2. OrthogonalLine(B, a) → d
3. OrthogonalLine(C, a) → e
4. Circle(B, 6) → f
5. Intersect(f, d, 1) → D
6. OrthogonalLine(D, d) → g
7. Intersect(e, g) → E
8. Polygon(B, D, E, C) → poly2, k, d_1, e_1, c_1
9. LineBisector(k) → h
10. Mirror(A, h) → A'
11. Polygon(D, A', E) → poly3, e_2, d_2, a'
12. OrthogonalLine(E, d_2) → j
13. Rotate(E, 270*°, A') → E'
14. Ray(A', E') → i
15. Point(i) → F
16. OrthogonalLine(F, j) → k_1
17. Intersect(j, k_1) → G
18. Polygon(A', F, G, E) → poly4, a'_1, f_1, m, e_3
19. Rotate(A', 90*°, F) → A''
20. Ray(F, A'') → l
21. Point(l) → H
22. Ray(E, A') → m_1
23. OrthogonalLine(H, l) → n_1
24. Intersect(m_1, n_1) → I
25. Polygon(H, F, A', I) → poly5, n, f_2, a'_2, i_1
26. Distance(A, B) → distanceAB
27. Distance(A, C) → distanceAC
28. Distance(B, D) → distanceBD
29. Distance(B, C) → distanceBC
30. Distance(E, G) → distanceEG
31. Distance(F, H) → distanceFH