G.GCO.7 SAS - 练习2

GeoGebra 命令及参数

1. Ray(A, B_1) → f
2. Rotate(B_1, α, A) → B'
3. Angle(B_1, A, B') → β
4. Point(f) → B
5. Ray(A, B') → g
6. Point(g) → C
7. Polygon(A, B, C) → poly1, h, i, j
8. Segment(A, C) → k
9. Segment(A, B) → l
10. Circle(A, (0.2 * Min[k, l])) → c
11. Intersect(c, f) → F,
12. Intersect(c, k) → G,
13. CircleSector(A, F, G) → d
14. Point(xAxis) → H
15. Vector(H, I) → u
16. Translate(A, u) → A'
17. Translate(C, u) → D'
18. Segment(A', D') → k'
19. Translate(A, u) → A'_1
20. Translate(B, u) → C'
21. Translate(C, u) → D'_1
22. Polygon(A'_1, C', D'_1) → poly1', d'_1, a'_1, c'
23. Segment(D'_1, A'_1) → m
24. Segment(C', A'_1) → n
25. Segment(D'_1, C') → p
26. Circle(A'_1, Radius[c]) → e
27. Intersect(e, n, 1) → J
28. Intersect(e, m, 1) → K
29. CircleSector(A'_1, J, K) → q
30. Rotate(A, γ, L) → A'_2
31. Rotate(B, γ, L) → C'_1
32. Rotate(C, γ, L) → D'_2
33. Polygon(A'_2, C'_1, D'_2) → poly1'_1, d'_2, a'_2, c'_1
34. Segment(C'_1, A'_2) → r
35. Segment(A'_2, D'_2) → s
36. Segment(C'_1, D'_2) → t
37. Rotate(d, γ, L) → d'
38. Vector(A'_2, D) → v
39. Translate(A'_2, v) → M
40. Translate(C'_1, v) → N
41. Translate(D'_2, v) → O
42. Polygon(M, N, O) → poly2, o, m_1, n_1
43. Translate(d', v) → d''
44. Segment(N, M) → a
45. Segment(M, O) → b
46. Segment(N, O) → f_1