勾股定理逆定理演示

GeoGebra 命令及参数

1. Intersect(g, xAxis, (-15, 0)) → A
2. Intersect(f, xAxis, (3, 0)) → B
3. Intersect(f, xAxis, (-3, 0)) → C
4. Intersect(h, xAxis, (10, 0)) → D
5. Point(xAxis) → E
6. Point(xAxis) → F
7. Polygon(A, G, E) → t1, e, a_1, g_1
8. InteriorAngles(t1) → α, β, γ
9. Polygon(G, E, 4) → poly1, i, j, k, l, H, I
10. Polygon(A, G, 4) → poly2, m, n, p, q, J, K
11. Polygon(E, A, 4) → poly3, r, s, t, b, L, M
12. Polygon(C, N, B) → t2, b_1, c_1, n_1
13. InteriorAngles(t2) → δ, ε, ζ
14. Polygon(N, B, 4) → poly4, d, f_1, h_1, i_1, O, P
15. Polygon(B, C, 4) → poly5, j_1, k_1, l_1, m_1, Q, R
16. Polygon(C, N, 4) → poly6, p_1, q_1, r_1, s_1, S, T
17. Polygon(D, U, F) → t3, f_2, d_1, u
18. InteriorAngles(t3) → η, θ, ι
19. Polygon(U, F, 4) → poly7, t_1, e_1, g_2, h_2, V, W
20. Polygon(F, D, 4) → poly8, i_2, j_2, k_2, l_2, Z, A_1
21. Polygon(D, U, 4) → poly9, m_2, n_2, p_2, q_2, B_1, C_1
22. PointIn(poly2) → Pointpoly2
23. PointIn(poly3) → Pointpoly3
24. PointIn(poly1) → Pointpoly1
25. PointIn(poly6) → Pointpoly6
26. PointIn(poly5) → Pointpoly5
27. PointIn(poly4) → Pointpoly4
28. PointIn(poly9) → Pointpoly9
29. PointIn(poly7) → Pointpoly7
30. PointIn(poly8) → Pointpoly8
31. SelectedElement(l1) → text4
32. SelectedElement(l2) → text5
33. SelectedElement(l3) → text6