比例绘图练习

GeoGebra 命令及参数

1. Circle(C, (5.7 * Length)) → c
2. Point(c) → D
3. Distance(C, D) → distanceCD
4. Segment(C, D) → f
5. OrthogonalLine(C, f) → j
6. OrthogonalLine(D, f) → k
7. Circle(C, 0.5) → q
8. Circle(D, 0.5) → r
9. Intersect(q, j) → G, H
10. Intersect(r, k) → I, J
11. Segment(H, C) → n
12. Segment(C, G) → s
13. Segment(J, D) → t
14. Segment(D, I) → a
15. Polygon(O, P, Q, R) → q1, o, p_1, q_1, r_1
16. Sequence(C + (n / ((2 * Length)) * (D - C)), n, 1, (2 * Length) - 1) → l1, {(9.578279377785398, 3.908630799514933)}
17. Circle(C_1, (12 * Length)) → c_1
18. Point(c_1) → D_1
19. Distance(C_1, D_1) → distanceCD_1
20. Segment(C_1, D_1) → f_1
21. OrthogonalLine(C_1, f_1) → j_1
22. OrthogonalLine(D_1, f_1) → k_1
23. Circle(C_1, 0.5) → d
24. Circle(D_1, 0.5) → e
25. Intersect(d, j_1) → K, L
26. Intersect(e, k_1) → M, N
27. Segment(L, C_1) → g
28. Segment(K, C_1) → h
29. Segment(D_1, N) → i
30. Segment(M, D_1) → l
31. Sequence(C_1 + (n / ((2 * Length)) * (D_1 - C_1)), n, 1, (2 * Length) - 1) → l2, {(12.66757973806373, 1.663124093211691)}