将矩形分成两等份

GeoGebra 命令及参数

1. Point(xAxis) → B
2. Line(A, B) → a
3. OrthogonalLine(A, a) → b
4. OrthogonalLine(B, a) → c
5. Point(c) → C
6. OrthogonalLine(C, c) → d
7. Intersect(b, d) → D
8. Line(A, C) → e
9. Line(B, D) → f
10. Intersect(e, f) → E
11. Circle(E, A) → g
12. Point(g) → GrabandDrag
13. Line(GrabandDrag, E) → h
14. Intersect(g, h) → G, H
15. Segment(GrabandDrag, H) → i
16. Intersect(c, i) → I
17. Intersect(b, i) → J
18. Polygon(D, C, I, J) → poly1, d_1, c_1, i_1, j
19. PointIn(poly1) → Pointpoly1
20. Polygon(B, I, J, A) → poly2, b_1, i_2, j_1, a_1
21. PointIn(poly2) → Pointpoly2
22. Intersect(a, i) → K
23. Intersect(d, i) → L
24. Polygon(K, B, C, L) → poly3, k, b_2, c_2, l
25. PointIn(poly3) → Pointpoly3
26. Polygon(D, L, K, A) → poly4, d_2, l_1, k_1, a_2
27. PointIn(poly4) → Pointpoly4
28. Perimeter(Polygon[(1, 10), (1, 0), (6.17, 0), (10.83, 10)]) → m
29. Distance(A, K) → distanceAK
30. Midpoint(A, K) →
31. Distance(K, L) → distanceKL
32. Midpoint(K, L) →
33. Distance(L, D) → distanceLD
34. Midpoint(L, D) →
35. Distance(D, A) → distanceDA
36. Midpoint(D, A) →
37. Distance(B, I) → distanceBI
38. Midpoint(B, I) →
39. Distance(I, J) → distanceIJ
40. Midpoint(I, J) →
41. Distance(J, A) → distanceJA
42. Midpoint(J, A) →
43. Distance(A, B) → distanceAB
44. Midpoint(A, B) →