正方形与变换

GeoGebra 命令及参数

1. Segment(A, B) → f
2. Segment(B, C) → g
3. Segment(C, D) → h
4. Segment(D, A) → i
5. Segment(C, A) → j
6. Polygon(C, B, A) → poly2, a_2, c_2, b_1
7. Polygon(D, C, A) → poly1, a_1, d_1, c_1
8. Segment(G, D) → k
9. Segment(F, C) → l
10. Segment(E, A) → m
11. Segment(G, C) → n
12. Segment(F, B) → p
13. Segment(E, G) → q
14. Segment(E, D) → r
15. Segment(G, B) → s
16. Polygon(D, A, E) → poly3, e_1, d_2, a_3
17. Polygon(D, E, G) → poly4, g_1, d_3, e_2
18. Textfield(a) → InputBox1