勾股定理拼图 by Arthur Lee

勾股定理拼图 by Arthur Lee
几何画板及绘图内容加载中,请稍等……
2017-09-23 10:49
所属专题 Pythagoras
①本范例通过动态演示勾股定理,展示直角三角形三边长度关系;②涉及核心数学概念包括直角三角形、勾股定理、多边形构造、复数运算;③构造要点:使用Point命令创建点A、B、C,Polygon命令绘制多边形poly1、poly2等,涉及Subtraction、Complex Numbers等操作;④适合初中及以上学生学习几何作图与定理验证,也可用于高中立体几何初步探索。

GeoGebra 命令及参数

  1. Point(Circle[A, 2]) → B
  2. Polygon(A, B, C) → poly1, c, a, b
  3. Point(Circle[D, 2]) → E
  4. Polygon(D, E, F) → poly2, f, d, e
  5. Point(Circle[G, 2]) → H
  6. Polygon(G, H, I) → poly3, i, g, h
  7. Point(Circle[J, 2]) → K
  8. Polygon(J, K, L) → poly4, l, j, k
  9. Polygon(M, N, 4) → poly5, q, r, s, t, O, P
  10. Point(Circle[Q, 3.605551275463989]) → R
  11. Polygon(Q, R, S, T) → poly6, q_1, r_1, s_1, t_1
  12. Polygon(U, V, 4) → poly7, f_1, g_1, h_1, i_1, W, Z
  13. Polygon(A_1, B_1, 4) → poly8, j_1, k_1, l_1, m_1, C_1, D_1
  14. Polygon(E_1, F_1, 4) → poly9, n_1, p_1, a_1, b_1, G_1, H_1