七巧板拼图 - 矩形

GeoGebra 命令及参数

1. Point(Circle[A, 6]) → B
2. Polygon(A, B, C) → poly1, c, a_1, b
3. Point(Circle[A_1, 6]) → B_1
4. Polygon(A_1, B_1, C_1) → poly1_1, c_1, a_2, b_1
5. Point(Circle[D, 3]) → E
6. Polygon(D, E, F) → poly2, f, d, e
7. Point(Circle[G, a / 2]) → H
8. Segment(G, H) → g
9. Semicircle(G, H) → h
10. LineBisector(g) → i
11. Intersect(h, i) → I,
12. Polygon(G, H, I) → poly3, i_1, g_1, h_1
13. Point(Circle[G_1, a / 2]) → H_1
14. Segment(G_1, H_1) → g_3
15. Semicircle(G_1, H_1) → h_3
16. LineBisector(g_3) → i_3
17. Intersect(h_3, i_3) → I_1,
18. Polygon(G_1, H_1, I_1) → poly3_1, i_2, g_2, h_2
19. Point(Circle[J, a / 2]) → K
20. Segment(J, K) → j
21. Midpoint(j) → L
22. Circle(L, J) → k
23. OrthogonalLine(L, j) → l
24. Intersect(k, l) → M, N
25. Polygon(J, M, K, N) → poly4, j_1, m, k_1, n
26. Point(Circle[O, a / 2]) → P
27. Segment(O, P) → p
28. Rotate(O, -45*°, P) → O'
29. Angle(O', P, O) → α
30. Rotate(P, 135*°, O) → P'
31. Angle(P, O, P') → β
32. Ray(P, O') → q
33. Ray(O, P') → r
34. Circle(O, (a * sqrt(2) / 4)) → s
35. Intersect(s, r) → Q,
36. Intersect(s, q) → R, S
37. Polygon(O, P, R, Q) → poly5, o, p_1, r_1, q_1