勾股定理拼图 by Arthur Lee
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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
Point(Circle[A, 2]) → BPolygon(A, B, C) → poly1, c, a, bPoint(Circle[D, 2]) → EPolygon(D, E, F) → poly2, f, d, ePoint(Circle[G, 2]) → HPolygon(G, H, I) → poly3, i, g, hPoint(Circle[J, 2]) → KPolygon(J, K, L) → poly4, l, j, kPolygon(M, N, 4) → poly5, q, r, s, t, O, PPoint(Circle[Q, 3.605551275463989]) → RPolygon(Q, R, S, T) → poly6, q_1, r_1, s_1, t_1Polygon(U, V, 4) → poly7, f_1, g_1, h_1, i_1, W, ZPolygon(A_1, B_1, 4) → poly8, j_1, k_1, l_1, m_1, C_1, D_1Polygon(E_1, F_1, 4) → poly9, n_1, p_1, a_1, b_1, G_1, H_1