标注点的房屋图片

GeoGebra 命令及参数

1. Intersect(xAxis, yAxis) → C_1
2. Segment(C_1, A) → a
3. Segment(C_1, B) → b
4. Vector(C_1, A) → u
5. Translate(B, u) → C
6. Vector(B, C) → v'
7. Segment(A, C) → c
8. Segment(B, C) → d
9. Vector(C_1, B) → v
10. Point(w) → D
11. Segment(B, D) → e
12. Segment(C, D) → f
13. Segment(E_1, H) → g
14. Segment(E, F) → h
15. Segment(E, H) → i
16. Segment(J, M) → j
17. Segment(L, M) → k
18. Segment(L, K) → l
19. Segment(N4, N1) → m
20. Segment(N2, N3) → n
21. Segment(N4, N3) → p
22. Segment(N1, N2) → q
23. Polygon(C_1, A, C, B) → poly1, c_1, a_1, b', b_1
24. Polygon(J, K, L, M) → poly2, j_1, k_1, l_1, m_1
25. Polygon(N4, N1, N2, N3) → poly3, n4, n1, n2, n3
26. Polygon(B, D, C) → poly4, b'_1, b_2, d_1
27. Polygon(E_1, F, E, H) → poly5, e_1, f_1, i_1, h_1