等圆与三角形构造

GeoGebra 命令及参数

1. Point(Circle[C, n1]) → A
2. Rotate(C, (-a1), A) → C'
3. Segment(A, C') → h
4. Angle(C', A, C) → α
5. Circle(C, n2) → c
6. Intersect(c, h) → E, R_3
7. Polygon(A, C, E) → t1, e, a, c_1
8. Point(Circle[N, n1_1]) → M
9. Rotate(N, (-a1), M) → C'_1
10. Segment(M, C'_1) → h_1
11. Angle(C'_1, M, N) → α_1
12. Circle(N, n2) → c_2
13. Intersect(c_2, h_1) → E_1, L
14. Polygon(M, N, L) → t1_1, j, k, l
15. Point(Circle[Q, n1]) → P
16. Segment(Q, P) → n
17. Rotate(Q, a1, P) → B'
18. Angle(Q, P, B') → γ
19. Segment(P, B') → p
20. Circle(Q, n2) → d
21. Intersect(d, p, 2) → R
22. Polygon(P, Q, R) → t3, f_1, d_1, b