矩形面积分割方法：用几何作图实现相同面积覆盖

GeoGebra 命令及参数

1. Polygon(A, C, D, B) → poly1, a, c, d, b
2. Circle(A, K) → p
3. Point(p) → L
4. Segment(A, L) → i
5. OrthogonalLine(L, i) → j
6. OrthogonalLine(A, i) → l
7. Segment(K, E) → e
8. Polygon(K, E, F, A) → poly2, k, e_1, f, a_1
9. Circle(L, e) → g
10. Intersect(g, j, 2) → G
11. OrthogonalLine(G, j) → h
12. Intersect(l, h) → H
13. Polygon(L, G, H, A) → poly3, l_1, g_1, h_1, a_2
14. Line(C, D) → m
15. Line(A, B) → n
16. Line(K, I) → q
17. Line(L, G) → r
18. Intersect(m, g_1) → J
19. Intersect(m, r) → M
20. Polygon(J, G, M) → poly4, m_1, j_1, g_2