相似多边形的判断

GeoGebra 命令及参数

1. Polygon(A, B, C, D) → ABCD, a_1, b_1, c_1, d
2. Polygon(A2, B2, C2) → ABC2, c2_1, a2_1, b2_1
3. Polygon(A2, B2, C2, D2) → ABCD2, a2_2, b2_2, c2_2, d2_1
4. Angle(A, B, C) → AngABC
5. Angle(A2, B2, C2) → AngPQR
6. Angle(B, C, D) → AngBCD
7. Angle(B2, C2, D2) → AngQRS
8. Angle(C, D, A) → AngCDA
9. Angle(C2, D2, A2) → AngRSP
10. Angle(D, A, B) → AngDAB
11. Angle(D2, A2, B2) → AngSPQ
12. Angle(C, A, B) → AngCAB
13. Angle(C2, A2, B2) → AngRPQ
14. Angle(B, C, A) → AngBCA
15. Angle(B2, C2, A2) → AngQRP
16. Polygon(A, B, C) → ABC, c, a, b
17. Circle((10, 7), 0.4) → Circ1
18. Circle((10, 5.8), 0.4) → Circ2
19. Polygon((0, 8), (18, 8), (18, 5), (0, 5)) → AnsBox, f, g, h, i