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GeoGebra 命令及参数

1. Rotate(A, α, B) → A'
2. Angle(A, B, A') → β
3. Ray(B, A) → a
4. Ray(B, A') → b
5. Circle(B, 5) → c
6. Intersect(c, a) → C,
7. OrthogonalLine(C, b) → d
8. Intersect(b, d) → D
9. Segment(B, D) → e
10. Segment(D, C) → f
11. Segment(C, B) → g
12. OrthogonalLine(B, g) → h
13. OrthogonalLine(C, g) → i
14. Line(B, d) → j
15. Line(D, xAxis) → k
16. Point(j) → E
17. Point(d) → F
18. Ray(D, F) → l
19. Ray(B, E) → m
20. Point(h) → G
21. Point(i) → H
22. Polygon(G, B, C, H) → poly1, g_1, b_1, c_1, h_1
23. Vector(K, L) → u
24. Vector(M, N) → v
25. Vector(O, P) → w
26. Polygon(Q, T, S, R) → poly2, q, t, s, r
27. Polygon(Q, U, V, W) → poly3, q_1, u_1, v_1, w_1