勾股定理演示 by Tadhg Power

GeoGebra 命令及参数

1. Line(Y, Z) → a_2
2. Rotate(Z, 90*°, Y) → B'
3. Angle(Z, Y, B') → θ
4. Line(B', Y) → b_2
5. Point(b_2) → X
6. Polygon(X, Y, Z) → poly1, a, b, c
7. OrthogonalLine(Z, a_2) → d
8. Polygon(Z, Y, 4) → B, B_1, C_1, e, f, D, E
9. Polygon(X, Z, 4) → C, z, F, g, h, G, H
10. Polygon(Y, X, 4) → A, I, z_1, i, j, J, K
11. Point(Circle[L, c]) → M
12. Segment(L, M) → n
13. Polygon(L, M, 4) → poly2, l_1, m_1, p, q, N, O
14. Point(n) → P
15. Point(p) → Q
16. Line(P, Q) → r
17. Point(poly2) → R
18. OrthogonalLine(R, r) → s
19. Intersect(r, s) → S
20. Polygon(R, N, O, L, P, S) → poly3, r_1, n_1, o, l_2, p_1, s_1
21. Polygon(M, R, S, P) → poly4, m_2, r_2, s_2, p_2