勾股定理 by Lamberto Lamberti

GeoGebra 命令及参数

1. Polygon(B, C, A) → poli1, a, b, c
2. Angle(B, A, C) → α
3. Angle(C, B, A) → β
4. Angle(A, C, B) → γ
5. Circle(D, E) → d
6. Rotate(E, angoli, D) → E'
7. Angle(E, D, E') → δ
8. Vector(D, E) → u
9. Vector(D, E') → v
10. OrthogonalLine(F, xAxis) → e
11. Circle(F, quadrati / 10) → f
12. Intersect(f, e) → G, H
13. Segment(H, F) → g
14. CircleArc(F, E, E') → h
15. Polygon(C, B, 4) → poli2, i, j, k, l, I, J
16. Polygon(B, A, 4) → poli3, m, n, p, q, K, L
17. Polygon(A, C, 4) → poli4, r, s, t, a_1, M, N