相似变换表面积

GeoGebra 命令及参数

1. Polygon(A, B, C, D) → poly1, a, b, c, d
2. Polygon(E, F, G, H) → poly2, e, f, g, h
3. Intersect(d, a) → I
4. Intersect(b, a) → L
5. Polygon(I, J, K, L) → poly3, i, j, k, l
6. Point(b) → M
7. Polygon(M, N, K, L) → poly4, m, n, k_1, l_1
8. Intersect(h, e) → O
9. Intersect(f, e) → R
10. Polygon(O, P, Q, R) → poly5, o, p, q, r
11. Intersect(g, f) → S
12. Polygon(S, T, Q, R) → poly6, s, t, q_1, r_1