整数边等边三角形与其对应矩形

GeoGebra 命令及参数

1. Polygon(A, B, 3) → poly1, a, b, c, C
2. Area(poly1) → areaT
3. Circle(D, perim / 2) → d
4. Point(d) → E
5. Segment(D, E) → e
6. Point(e) → F
7. OrthogonalLine(F, e) → f_1
8. OrthogonalLine(D, e) → g
9. Circle(F, E) → h
10. Intersect(h, f_1, 2) → G
11. OrthogonalLine(G, f_1) → i
12. Intersect(g, i) → H
13. Polygon(D, F, G, H) → poly2, d_1, f, g_1, f_2
14. Perimeter(poly2) → k
15. Circle(D, perim / 3) → p
16. Intersect(p, d_1, 1) → I
17. Segment(D, I) → a_1
18. Segment(I, F) → b_1
19. Segment(F, G) → b_2
20. Segment(D, F) → l
21. Intersect(r, xAxis, 2) → K
22. Distance(I, K) → n
23. Circle(F, a - l) → s
24. OrthogonalLine(F, xAxis) → t
25. Intersect(s, t) → L, M
26. Segment(F, M) → e_1
27. Segment(H_2, D) → c_2
28. If(poly2 > poly1, 1, 0) → q
29. Segment(H_2, H) → c_1
30. Segment(M, G) → h_1
31. Circle(H, c - c_2) → k_1
32. Intersect(k_1, i) → J, N
33. Segment(H, J) → i_1
34. Segment(J, G) → j_1