金字塔展开图 by Arthur Lee

GeoGebra 命令及参数

1. Polygon(A, B, 4) → poly1, a, b, c, d, C, D
2. Segment(A, E) → e
3. Segment(D, E) → f
4. OrthogonalLine(E, d) → g
5. OrthogonalLine(F, g) → h
6. Circle(A, E) → k
7. Circle(D, E) → p
8. Intersect(p, h, 2) → H
9. Segment(D, H) → i
10. Intersect(k, h, 1) → G
11. Segment(A, G) → j
12. Segment(G, B) → l
13. Circle(B, G) → q
14. Intersect(q, g, 2) → I
15. Segment(B, I) → m
16. Segment(C, H) → n
17. Segment(C, I) → r
18. Polygon(D, J, C) → poly2, c_1, d_1, j_1
19. Polygon(C, K, B) → poly3, b_1, c_2, k_1
20. Polygon(E, D, A) → poly4, a_1, e_1, d_2
21. Polygon(A, B, G) → poly5, g_1, a_2, b_2
22. Distance(E, D) → distanceED
23. Distance(E, A) → distanceEA
24. Distance(A, G) → distanceAG
25. Distance(G, B) → distanceGB
26. Distance(D, J) → distanceDJ
27. Distance(C, J) → distanceCJ
28. Distance(C, K) → distanceCK
29. Distance(K, B) → distanceKB