根脉轮:基于勾股定理的几何构造
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① 本范例通过GeoGebra展示了一个名为“根脉轮”的几何图形,它由一系列线段、圆和交点构成,形成类似曼陀罗的对称图案,并隐含勾股定理的几何关系。② 核心数学概念包括勾股定理(Pythagorean Theorem)、单位圆、线段与四边形的构造,以及圆与直线的交点运算。③ 作图要点:使用Circle命令创建多个圆,Intersect命令求圆与直线或圆的交点,Line命令绘制辅助线段;对象列表包含A、B、C等大量点,以及c、d、e等圆和线段,通过逐步相交生成复杂网络。④ 适合中学阶段学习几何作图、勾股定理的直观验证,以及探索几何图案的对称性与美学,也可用于冥想或艺术数学的跨学科教学。
GeoGebra 命令及参数
Circle(A, B) → cCircle(B, A) → dIntersect(c, d, 1) → CCircle(C, B) → eIntersect(c, e, 2) → DCircle(D, C) → fIntersect(c, f, 2) → ECircle(E, D) → gIntersect(c, g, 2) → FCircle(F, E) → hIntersect(c, d, 2) → GCircle(G, F) → kLine(E, G) → iIntersect(k, i, 2) → HCircle(H, G) → pIntersect(d, p, 2) → ICircle(I, H) → qIntersect(d, q, 1) → JCircle(J, I) → rIntersect(e, r, 1) → KCircle(K, J) → sIntersect(e, s, 1) → LCircle(L, K) → tIntersect(f, t, 1) → MCircle(M, L) → c_1Intersect(f, c_1, 1) → NCircle(N, M) → d_1Intersect(g, d_1, 1) → OCircle(O, N) → e_1Intersect(g, e_1, 1) → PCircle(P, O) → f_1Intersect(h, f_1, 1) → QCircle(Q, P) → g_1Intersect(h, g_1, 1) → RCircle(R, Q) → h_1Intersect(k, p, 2) → SCircle(S, R) → k_1Intersect(p, k_1, 1) → B_1Circle(B_1, H) → d_2Intersect(p, q, 2) → C_1Circle(C_1, I) → e_2Intersect(q, r, 2) → D_1Circle(D_1, J) → f_2Intersect(r, s, 2) → E_1Circle(E_1, K) → g_2Intersect(s, t, 2) → F_1Circle(F_1, L) → h_2Intersect(t, c_1, 2) → G_1Circle(G_1, M) → k_2Intersect(c_1, d_1, 2) → H_1Circle(H_1, N) → p_2Intersect(d_1, e_1, 2) → I_1Circle(I_1, O) → q_2Intersect(e_1, f_1, 2) → J_1Circle(J_1, P) → r_2Intersect(f_1, g_1, 2) → K_1Circle(K_1, Q) → s_2Intersect(g_1, h_1, 2) → L_1Circle(L_1, R) → t_2Intersect(h_1, k_1, 2) → M_1Circle(M_1, S) → c_3Intersect(d_2, c_3, 1) → N_1Circle(N_1, B_1) → d_3Intersect(d_2, e_2, 2) → O_1Circle(O_1, C_1) → e_3Intersect(e_2, f_2, 2) → P_1Circle(P_1, D_1) → f_3Intersect(f_2, g_2, 2) → Q_1Circle(Q_1, E_1) → g_3Intersect(g_2, h_2, 2) → R_1Circle(R_1, F_1) → h_3Intersect(h_2, k_2, 2) → S_1Circle(S_1, G_1) → k_3Intersect(k_2, p_2, 2) → T_1Circle(T_1, H_1) → p_3Intersect(p_2, q_2, 2) → U_1Circle(U_1, I_1) → q_3Intersect(q_2, r_2, 2) → V_1Circle(V_1, J_1) → r_3Intersect(r_2, s_2, 2) → W_1Circle(W_1, K_1) → s_3Intersect(s_2, t_2, 2) → Z_1Circle(Z_1, L_1) → t_3Intersect(t_2, c_3, 2) → A_2Circle(A_2, M_1) → c_4Intersect(c_3, d_3, 2) → B_2Circle(B_2, N_1) → d_4Intersect(d_2, d_3, 1) → C_2Circle(C_2, O_1) → e_4Intersect(e_2, e_3, 1) → D_2Circle(D_2, P_1) → f_4Intersect(f_2, f_3, 1) → E_2Circle(E_2, Q_1) → g_4Intersect(g_2, g_3, 1) → F_2Circle(F_2, R_1) → h_4Intersect(h_2, h_3, 1) → G_2Circle(G_2, S_1) → k_4Intersect(k_2, k_3, 1) → H_2Circle(H_2, T_1) → p_4Intersect(p_2, p_3, 1) → I_2Circle(I_2, U_1) → q_4Intersect(q_2, q_3, 1) → J_2Circle(J_2, V_1) → r_4Intersect(r_2, r_3, 1) → K_2Circle(K_2, W_1) → s_4Intersect(s_2, s_3, 1) → L_2Circle(L_2, Z_1) → t_4Intersect(t_3, c_4, 2) → M_2Circle(M_2, A_2) → c_5Intersect(c_4, d_4, 2) → N_2Circle(N_2, B_2) → d_5Intersect(d_3, e_4, 2) → O_2Circle(O_2, C_2) → e_5Intersect(e_3, f_4, 2) → P_2Circle(P_2, D_2) → f_5Intersect(f_3, g_4, 2) → Q_2Circle(Q_2, E_2) → g_5Intersect(g_3, h_4, 2) → R_2Circle(R_2, F_2) → h_5Intersect(h_3, k_4, 2) → S_2Circle(S_2, G_2) → k_5Intersect(k_3, p_4, 2) → T_2Circle(T_2, H_2) → p_5Intersect(p_3, q_4, 2) → U_2Circle(U_2, I_2) → q_5Intersect(q_3, r_4, 2) → V_2Circle(V_2, J_2) → r_5Intersect(r_3, s_4, 2) → W_2Circle(W_2, K_2) → s_5Intersect(s_3, t_4, 2) → Z_2Circle(Z_2, L_2) → t_5Intersect(t_3, c_5, 2) → A_3Circle(A_3, M_2) → c_6Intersect(c_5, d_5, 2) → B_3Circle(B_3, N_2) → d_6Intersect(d_4, e_5, 2) → C_3Circle(C_3, O_2) → e_6Intersect(e_4, f_5, 2) → D_3Circle(D_3, P_2) → f_6Intersect(f_4, g_5, 2) → E_3Circle(E_3, Q_2) → g_6Intersect(g_4, h_5, 2) → F_3Circle(F_3, R_2) → h_6Intersect(h_4, k_5, 2) → G_3Circle(G_3, S_2) → k_6Intersect(k_4, p_5, 2) → H_3Circle(H_3, T_2) → p_6Intersect(p_4, q_5, 2) → I_3Circle(I_3, U_2) → q_6Intersect(q_4, r_5, 2) → J_3Circle(J_3, V_2) → r_6Intersect(r_4, s_5, 2) → K_3Circle(K_3, W_2) → s_6Intersect(s_4, t_5, 2) → L_3Circle(L_3, Z_2) → t_6Intersect(t_4, c_6, 2) → M_3Circle(M_3, A_3) → c_7Intersect(c_6, d_6, 2) → N_3Circle(N_3, B_3) → d_7Intersect(d_5, e_6, 2) → O_3Circle(O_3, C_3) → e_7Intersect(e_5, f_6, 2) → P_3Circle(P_3, D_3) → f_7Intersect(f_5, g_6, 2) → Q_3Circle(Q_3, E_3) → g_7Intersect(g_5, h_6, 2) → R_3Circle(R_3, F_3) → h_7Intersect(h_5, k_6, 2) → S_3Circle(S_3, G_3) → k_7Intersect(k_5, p_6, 2) → T_3Circle(T_3, H_3) → p_7Intersect(p_5, q_6, 2) → U_3Circle(U_3, I_3) → q_7Intersect(q_5, r_6, 2) → V_3Circle(V_3, J_3) → r_7Intersect(r_5, s_6, 2) → W_3Circle(W_3, K_3) → s_7Intersect(s_5, t_6, 2) → Z_3Circle(Z_3, L_3) → t_7Intersect(t_5, c_7, 2) → A_4Circle(A_4, M_3) → c_8Intersect(c_6, c_7, 1) → B_4Circle(B_4, N_3) → d_8Intersect(d_5, d_6, 1) → C_4Circle(C_4, O_3) → e_8Intersect(e_5, e_6, 1) → D_4Circle(D_4, P_3) → f_8Intersect(f_5, f_6, 1) → E_4Circle(E_4, Q_3) → g_8Intersect(g_5, g_6, 1) → F_4Circle(F_4, R_3) → h_8Intersect(h_5, h_6, 1) → G_4Circle(G_4, S_3) → k_8Intersect(k_5, k_6, 1) → H_4Circle(H_4, T_3) → p_8Intersect(p_5, p_6, 1) → I_4Circle(I_4, U_3) → q_8Intersect(q_5, q_6, 1) → J_4Circle(J_4, V_3) → r_8Intersect(r_5, r_6, 1) → K_4Circle(K_4, W_3) → s_8Intersect(s_5, s_6, 1) → L_4Circle(L_4, Z_3) → t_8Intersect(t_5, t_6, 1) → M_4Circle(M_4, A_4) → c_9Intersect(c_7, c_8, 1) → N_4Circle(N_4, B_4) → d_9Intersect(d_7, e_8, 2) → O_4Circle(O_4, C_4) → e_9Intersect(e_6, e_7, 1) → P_4Circle(P_4, D_4) → f_9Intersect(f_6, f_7, 1) → Q_4Circle(Q_4, E_4) → g_9Intersect(g_6, g_7, 1) → R_4Circle(R_4, F_4) → h_9Intersect(h_6, h_7, 1) → S_4Circle(S_4, G_4) → k_9Intersect(k_6, k_7, 1) → T_4Circle(T_4, H_4) → p_9Intersect(p_6, p_7, 1) → U_4Circle(U_4, I_4) → q_9Intersect(q_6, q_7, 1) → V_4Circle(V_4, J_4) → r_9Intersect(r_6, r_7, 1) → W_4Circle(W_4, K_4) → s_9Intersect(s_6, s_7, 1) → Z_4Circle(Z_4, L_4) → t_9Intersect(t_6, t_7, 1) → A_5Circle(A_5, M_4) → c_{10}Intersect(c_8, d_9, 2) → B_5Circle(B_5, N_4) → d_{10}Intersect(d_7, e_9, 2) → C_5Circle(C_5, O_4) → e_{10}Intersect(e_7, f_9, 2) → D_5Circle(D_5, P_4) → f_{10}Intersect(f_7, g_9, 2) → E_5Circle(E_5, Q_4) → g_{10}Intersect(g_7, h_9, 2) → F_5Circle(F_5, R_4) → h_{10}Intersect(h_7, k_9, 2) → G_5Circle(G_5, S_4) → k_{10}Intersect(k_7, p_9, 2) → H_5Circle(H_5, T_4) → p_{10}Intersect(p_7, q_9, 2) → I_5Circle(I_5, U_4) → q_{10}Intersect(q_7, r_9, 2) → J_5Circle(J_5, V_4) → r_{10}Intersect(r_7, s_9, 2) → K_5Circle(K_5, W_4) → s_{10}Intersect(s_7, t_9, 2) → L_5Circle(L_5, Z_4) → t_{10}Intersect(t_7, c_{10}, 2) → M_5Circle(M_5, A_5) → c_{11}Intersect(c_9, d_{10}, 2) → TCircle(T, B_5) → p_1Intersect(d_8, e_{10}, 2) → UCircle(U, C_5) → q_1Intersect(e_8, f_{10}, 2) → VCircle(V, D_5) → r_1Intersect(f_8, g_{10}, 2) → WCircle(W, E_5) → s_1Intersect(g_8, h_{10}, 2) → ZCircle(Z, F_5) → t_1Intersect(h_8, k_{10}, 2) → A_1Circle(A_1, G_5) → c_2Intersect(k_8, p_{10}, 2) → N_5Circle(N_5, H_5) → d_{11}Intersect(p_8, q_{10}, 2) → O_5Circle(O_5, I_5) → e_{11}Intersect(q_8, r_{10}, 2) → P_5Circle(P_5, J_5) → f_{11}Intersect(r_8, s_{10}, 2) → Q_5Circle(Q_5, K_5) → g_{11}Intersect(s_8, t_{10}, 2) → R_5Circle(R_5, L_5) → h_{11}Intersect(t_8, c_{11}, 2) → S_5Circle(S_5, M_5) → k_{11}Intersect(c_{10}, p_1, 2) → T_5Circle(T_5, T) → p_{11}Intersect(d_9, q_1, 2) → U_5Circle(U_5, U) → q_{11}Intersect(e_9, r_1, 2) → V_5Circle(V_5, V) → r_{11}Intersect(f_9, s_1, 2) → W_5Circle(W_5, W) → s_{11}Intersect(g_9, t_1, 2) → Z_5Circle(Z_5, Z) → t_{11}Intersect(h_9, c_2, 2) → A_6Circle(A_6, A_1) → c_{12}Intersect(k_9, d_{11}, 2) → B_6Circle(B_6, N_5) → d_{12}Intersect(p_9, e_{11}, 2) → C_6Circle(C_6, O_5) → e_{12}Intersect(q_9, f_{11}, 2) → D_6Circle(D_6, P_5) → f_{12}Intersect(r_9, g_{11}, 2) → E_6Circle(E_6, Q_5) → g_{12}Intersect(s_9, h_{11}, 2) → F_6Circle(F_6, R_5) → h_{12}Intersect(t_9, k_{11}, 2) → G_6Circle(G_6, S_5) → k_{12}Intersect(c_{11}, p_{11}, 2) → H_6Circle(H_6, T_5) → p_{12}Intersect(d_{10}, q_{11}, 2) → I_6Circle(I_6, U_5) → q_{12}Intersect(e_{10}, r_{11}, 2) → J_6Circle(J_6, V_5) → r_{12}Intersect(f_{10}, s_{11}, 2) → K_6Circle(K_6, W_5) → s_{12}Intersect(g_{10}, t_{11}, 2) → L_6Circle(L_6, Z_5) → t_{12}Intersect(h_{10}, c_{12}, 2) → M_6Circle(M_6, A_6) → c_{13}Intersect(k_{10}, d_{12}, 2) → N_6Circle(N_6, B_6) → d_{13}Intersect(p_{10}, e_{12}, 2) → O_6Circle(O_6, C_6) → e_{13}Intersect(q_{10}, f_{12}, 2) → P_6Circle(P_6, D_6) → f_{13}Intersect(r_{10}, g_{12}, 2) → Q_6Circle(Q_6, E_6) → g_{13}Intersect(s_{10}, h_{12}, 2) → R_6Circle(R_6, F_6) → h_{13}Intersect(t_{10}, k_{12}, 2) → S_6Circle(S_6, G_6) → k_{13}Intersect(c_{11}, k_{11}, 1) → T_6Circle(T_6, H_6) → p_{13}Intersect(d_{10}, p_1, 1) → U_6Circle(U_6, I_6) → q_{13}Intersect(e_{10}, q_1, 1) → V_6Circle(V_6, J_6) → r_{13}Intersect(f_{10}, r_1, 1) → W_6Circle(W_6, K_6) → s_{13}Intersect(g_{10}, s_1, 1) → Z_6Circle(Z_6, L_6) → t_{13}Intersect(h_{10}, t_1, 1) → A_7Circle(A_7, M_6) → c_{14}Intersect(k_{10}, c_2, 1) → B_7Circle(B_7, N_6) → d_{14}Intersect(p_{10}, d_{11}, 1) → C_7Circle(C_7, O_6) → e_{14}Intersect(q_{10}, e_{11}, 1) → D_7Circle(D_7, P_6) → f_{14}Intersect(r_{10}, g_{13}, 2) → E_7Circle(E_7, Q_6) → g_{14}Intersect(s_{10}, g_{11}, 1) → F_7Circle(F_7, R_6) → h_{14}Intersect(t_{10}, h_{11}, 1) → G_7Circle(G_7, S_6) → k_{14}Intersect(k_{11}, k_{12}, 1) → H_7Circle(H_7, T_6) → p_{14}Intersect(p_1, p_{11}, 1) → I_7Circle(I_7, U_6) → q_{14}Intersect(q_1, q_{11}, 1) → J_7Circle(J_7, V_6) → r_{14}Intersect(r_1, r_{11}, 1) → K_7Circle(K_7, W_6) → s_{14}Intersect(s_1, s_{11}, 1) → L_7Circle(L_7, Z_6) → t_{14}Intersect(t_1, t_{11}, 1) → M_7Circle(M_7, A_7) → c_{15}Intersect(c_2, c_{12}, 1) → N_7Circle(N_7, B_7) → d_{15}Intersect(d_{11}, d_{12}, 1) → O_7Circle(O_7, C_7) → e_{15}Intersect(e_{11}, e_{12}, 1) → P_7Circle(P_7, D_7) → f_{15}Intersect(f_{11}, f_{12}, 1) → Q_7Circle(Q_7, E_7) → g_{15}Intersect(g_{11}, g_{12}, 1) → R_7Circle(R_7, F_7) → h_{15}Intersect(h_{11}, h_{12}, 1) → S_7Circle(S_7, G_7) → k_{15}Intersect(p_{11}, p_{12}, 1) → T_7Circle(T_7, I_7) → p_{15}Intersect(q_{11}, q_{12}, 1) → U_7Circle(U_7, J_7) → q_{15}Intersect(r_{11}, r_{12}, 1) → V_7Circle(V_7, K_7) → r_{15}Intersect(s_{11}, s_{12}, 1) → W_7Circle(W_7, L_7) → s_{15}Intersect(t_{11}, t_{12}, 1) → Z_7Circle(Z_7, M_7) → t_{15}Intersect(c_{12}, c_{13}, 1) → A_8Circle(A_8, N_7) → c_{16}Intersect(d_{12}, d_{13}, 1) → B_8Circle(B_8, O_7) → d_{16}Intersect(e_{12}, e_{13}, 1) → C_8Circle(C_8, P_7) → e_{16}Intersect(f_{12}, f_{13}, 1) → D_8Circle(D_8, Q_7) → f_{16}Intersect(g_{12}, g_{13}, 1) → E_8Circle(E_8, R_7) → g_{16}Intersect(h_{12}, h_{13}, 1) → F_8Circle(F_8, S_7) → h_{16}Intersect(k_{12}, k_{13}, 1) → G_8Circle(G_8, H_7) → k_{16}Intersect(p_{12}, p_{15}, 2) → H_8Circle(H_8, T_7) → p_{16}Intersect(q_{12}, q_{15}, 2) → I_8Circle(I_8, U_7) → q_{16}Intersect(r_{12}, r_{15}, 2) → J_8Circle(J_8, V_7) → r_{16}Intersect(s_{12}, s_{15}, 2) → K_8Circle(K_8, W_7) → s_{16}Intersect(t_{12}, t_{15}, 2) → L_8Circle(L_8, Z_7) → t_{16}Intersect(c_{13}, c_{16}, 2) → M_8Circle(M_8, A_8) → c_{17}Intersect(d_{13}, d_{16}, 2) → N_8Circle(N_8, B_8) → d_{17}Intersect(e_{13}, e_{16}, 2) → O_8Circle(O_8, C_8) → e_{17}Intersect(f_{13}, f_{16}, 2) → P_8Circle(P_8, D_8) → f_{17}Intersect(g_{13}, g_{16}, 2) → Q_8Circle(Q_8, E_8) → g_{17}Intersect(h_{13}, h_{16}, 2) → R_8Circle(R_8, F_8) → h_{17}Intersect(k_{13}, k_{16}, 2) → S_8Circle(S_8, G_8) → k_{17}
AI 绘图提示语参考
绘制一个基于勾股定理的对称曼陀罗式几何图案,称为“根脉轮”。从两个等半径圆相交开始,以交点为圆心不断作等半径圆,沿圆周生成一系列交点与圆,形成内外嵌套的花环结构。连接特定交点作直线,再以直线与圆的交点为圆心继续作圆,逐步扩展出多层对称的圆弧与交点网络。整体图形由多个相交圆、线段和交点构成,呈现高度对称的几何美感,隐含勾股定理的几何关系。
以上提示语为根据原始绘图命令整理而来,仅供参考。