欧几里得证明勾股定理第一步

GeoGebra 命令及参数

1. Intersect(xAxis, yAxis) → G
2. Segment(G, D) → a
3. Segment(D, A) → b
4. Segment(G, A) → c
5. Polygon(G, A, 4) → poly1, d, e, f, g, I, H
6. Polygon(A, D, 4) → poly2, h, i, j, k, C, B
7. Polygon(D, G, 4) → poly3, l, m, n, p, F, E
8. Polygon(G, D, A) → poly4, c_1, a_1, b_1
9. Distance(G, A) → distanceAC
10. Perimeter(poly1) → perimeterpoly1
11. Polygon(I, D, A) → poly5, a_2, d_1, d_2
12. Polygon(A, G, B) → poly6, b_2, a_3, g_1
13. OrthogonalLine(D, c) → q
14. Intersect(q, c) → J
15. Polygon(A, G, B) → poly7, b_3, a_4, g_2
16. Polygon(D, I, A) → poly8, a_5, d_3, i_1