构造三条正交圆

GeoGebra 命令及参数

1. Segment(A, B) → a
2. Circle(A, B) → c
3. Circle(B, A) → d
4. Intersect(d, c) → C, D, ,
5. Line(D, C) → b
6. Intersect(a, b) → E
7. Circle(E, A) → e
8. Intersect(e, b) → F, G
9. Circle(A, F) → f
10. Circle(B, F) → g
11. Circle(D, Segment[F, A]) → h
12. Intersect(g, h) → H, I, ,
13. Intersect(h, f) → J, K, ,
14. Polygon(B, F, A, G) → q1, b_1, f_1, a_1, g_1
15. Polygon(D, H, B, I) → q2, d_1, h_1, b_2, i
16. Polygon(J, D, K, A) → q3, j, d_2, k, a_2