交集与并集

GeoGebra 命令及参数

1. Circle(A_1, D) → c
2. Circle(B, E) → d
3. Circle(C, F) → e
4. Intersect(c, d) → G, H, ,
5. Intersect(c, e) → I, J, ,
6. Intersect(e, d) → K, L, ,
7. CircleArc(B, G, H) → f
8. CircleArc(A_1, H, G) → g
9. CircleArc(B, K, L) → k
10. CircleArc(C, L, K) → p
11. CircleArc(A_1, J, I) → q
12. CircleArc(C, I, J) → r
13. Polygon(G, L, J) → poly1, j_1, g_1, l_1
14. Circle(A_1, D) → c_2
15. Circle(B, E) → d_1