彩色郁金香几何作图 by Fun with GeoGebra

GeoGebra 命令及参数

1. Polygon(A, B, 4) → poli1, f, g, h, i, C, D
2. Polygon(E, F, 4) → poli2, j, k, l, m, G, H
3. Polygon(B, I, 4) → poli3, n, p, q, r, J, K
4. Segment(D, H) → s
5. Midpoint(H, D) → L
6. Midpoint(D, L) → M
7. Midpoint(L, H) → N
8. Point(m) → O
9. Segment(N, O) → t
10. Segment(L, O) → a
11. Segment(M, O) → b
12. Point(xAxis) → P
13. Segment(P, I) → c
14. Semicircle(P, Q) → d
15. Intersect(j, m) → R
16. Polygon(R, K, 4) → poly1, e, f_1, g_1, h_1, S, T