毕达哥拉斯定理证明 by Mr_Stewart_Maths

GeoGebra 命令及参数

1. Polygon(A, B, 4) → poly1, a, b, c, d, C, D
2. Semicircle(B, A) → e
3. Point(e) → E
4. Polygon(B, E, 4) → poly2, b_1, e_1, f, g, F, G
5. Polygon(E, A, 4) → poly3, e_2, a_1, h, i, H, I
6. Polygon(B, E, A) → poly4, a_2, b_2, e_3
7. Angle(B, E, A) → α
8. Distance(F, E) → distanceFE
9. Distance(I, H) → distanceIH
10. Distance(B, A) → distanceBA