勾股定理动态演示 by Mr. Krebs

GeoGebra 命令及参数

1. Rotate(C, 270*°, C_1) → D'
2. Angle(D', C_1, C) → β
3. Dilate(C_1, e, C) → B
4. Polygon(C_1, D', 4) → poly1, c, d, e_1, f_1, A_1, B_1
5. Mirror(A_1, C) → A'
6. Dilate(A', f, C) → A
7. Polygon(B, C, A) → poly2, a'', c', d_1
8. Polygon(C, B, 4) → poly3, a, b, g, h, D, E
9. Polygon(A, C, 4) → poly4, i, j, k, l, F, G
10. Polygon(B, A, 4) → poly5, m, n, p, q, H, I
11. Textfield(e) → inputBox1
12. Textfield(f) → inputBox2
13. Distance(c', a'') → o