正多边形的内角与外角 by Nicola Trubridge
几何画板及绘图内容加载中,请稍等……
①本范例演示正多边形的内角与外角的计算与关系;②涉及核心数学概念包括多边形内角和公式、外角和定理、三角函数应用;③作图要点使用 GeoGebra 命令 Circle(画圆)、Segment(画线段)、Point(创建点)、Rotate(旋转)、Angle(测量角度);④适合高中数学教学,用于理解正多边形几何性质和计算。
GeoGebra 命令及参数
Circle(M_7, N_7) → r_7Segment(M_7, N_7) → s_6Segment(M_7, N_7) → a_6Point(a_6) → C_3Rotate(N_7, 240*°, C_3) → E_1Angle(E_1, C_3, N_7) → α_1Rotate(E_1, 240*°, C_3) → E'_1Segment(E_1, C_3) → f_4Segment(C_3, E'_1) → g_4Segment(E_1, N_7) → h_4Segment(E'_1, E_1) → i_4Segment(E'_1, N_7) → j_4Angle(N_7, E_1, E'_1) → θ_2Angle(E'_1, E_1, K_1) → ο_1Segment(E_1, K_1) → n_4Circle(M_{10}, N_8) → r_8Segment(M_{10}, N_8) → s_2Rotate(N_8, 300*°, M_{10}) → N'_3Segment(M_{10}, N'_3) → a_7Rotate(N'_3, 300*°, M_{10}) → O_2Angle(O_2, M_{10}, N'_3) → γ_2Segment(M_{10}, O_2) → b_5Segment(O_2, N'_3) → g_5Segment(N'_3, N_8) → h_5Angle(N_8, N'_3, O_2) → ε_1Circle(M_{15}, N_3) → r_3Segment(M_{15}, N_3) → s_3Segment(M_{15}, N_3) → a_1Rotate(N_3, 288*°, M_{15}) → A_2Segment(M_{15}, A_2) → b_1Rotate(A_2, 288*°, M_{15}) → A'_2Segment(M_{15}, A'_2) → c_1Rotate(A'_2, 288*°, M_{15}) → A''_2Angle(A''_2, M_{15}, A'_2) → θ_3Segment(M_{15}, A''_2) → d_1Rotate(A''_2, 288*°, M_{15}) → A'''_2Segment(M_{15}, A'''_2) → e_1Segment(A'''_2, N_3) → f_1Segment(N_3, A_2) → g_1Segment(A_2, A'_2) → h_1Segment(A'_2, A''_2) → i_1Segment(A''_2, A'''_2) → j_1Angle(N_3, A_2, A'_2) → γ_1Angle(A'_2, A_2, F_1) → κ_1Segment(A_2, F_1) → k_1Circle(M_{16}, N_1) → r_1Segment(M_{16}, N_1) → s_9Segment(M_{16}, N_1) → a_3Point(a_3) → C_1Rotate(N_1, 270*°, C_1) → D_1Rotate(D_1, 270*°, C_1) → D'_1Angle(D'_1, C_1, D_1) → β_1Rotate(D'_1, 270*°, C_1) → D''_1Segment(D_1, C_1) → p_1Segment(D'_1, C_1) → q_1Segment(D''_1, C_1) → r_9Segment(D'_1, D_1) → s_1Segment(D_1, N_1) → t_2Segment(N_1, D''_1) → d_2Segment(D''_1, D'_1) → e_2Angle(N_1, D_1, D'_1) → ι_1Angle(D'_1, D_1, I_1) → ν_1Segment(D_1, I_1) → q_2Circle(M_{17}, N_2) → r_2Segment(M_{17}, N_2) → s_5Rotate(N_2, 60*°, M_{17}) → N'_1Segment(N'_1, M_{17}) → t_1Rotate(N_2, 300*°, M_{17}) → N'_2Segment(M_{17}, N'_2) → a_2Rotate(N'_2, 300*°, M_{17}) → O_1Angle(O_1, M_{17}, N'_2) → γ_3Segment(M_{17}, O_1) → b_2Rotate(O_1, 300*°, M_{17}) → O'_1Segment(M_{17}, O'_1) → c_2Rotate(O'_1, 300*°, M_{17}) → O''_1Segment(O''_1, M_{17}) → d_3Segment(O''_1, O'_1) → e_3Segment(O'_1, O_1) → f_2Segment(O_1, N'_2) → g_2Segment(N'_2, N_2) → h_2Segment(N_2, N'_1) → i_2Segment(N'_1, O''_1) → j_2Angle(N_2, N'_2, O_1) → ε_2Angle(O_1, N'_2, G_1) → λ_1Segment(N'_2, G_1) → l_1Circle(M_{18}, N_4) → r_4Segment(M_{18}, N_4) → s_4Segment(M_{18}, N_4) → a_4Rotate(N_4, 308.57*°, M_{18}) → A_1Rotate(A_1, 308.57*°, M_{18}) → A'_1Rotate(A'_1, 308.57*°, M_{18}) → A''_1Rotate(A''_1, 308.57*°, M_{18}) → A'''_1Angle(A'''_1, M_{18}, A''_1) → δ_1Rotate(A'''_1, 308.57*°, M_{18}) → B_1Rotate(B_1, 308.57*°, M_{18}) → B'_1Segment(M_{18}, A_1) → b_3Segment(M_{18}, A'_1) → c_3Segment(M_{18}, A''_1) → d_4Segment(M_{18}, A'''_1) → e_4Segment(M_{18}, B_1) → f_3Segment(M_{18}, B'_1) → g_3Segment(A_1, A'_1) → h_3Segment(A'_1, A''_1) → i_3Segment(A''_1, A'''_1) → j_3Segment(A'''_1, B_1) → k_2Segment(B_1, B'_1) → l_2Segment(B'_1, N_4) → m_1Segment(N_4, A_1) → n_1Angle(A_1, A'_1, A''_1) → η_1Angle(A''_1, A'_1, J_1) → ξ_1Segment(A'_1, J_1) → p_2Circle(M_{19}, N_5) → r_5Segment(M_{19}, N_5) → s_8Segment(M_{19}, N_5) → k_3Rotate(N_5, 315*°, M_{19}) → B_3Angle(B_3, M_{19}, N_5) → κ_3Segment(M_{19}, B_3) → l_3Rotate(B_3, 315*°, M_{19}) → B'_3Segment(B'_3, M_{19}) → m_2Rotate(B'_3, 315*°, M_{19}) → B''_1Rotate(B''_1, 315*°, M_{19}) → B'''_1Rotate(B'''_1, 315*°, M_{19}) → C_4Rotate(C_4, 315*°, M_{19}) → C'_1Rotate(C'_1, 315*°, M_{19}) → C''_1Segment(B''_1, M_{19}) → n_2Segment(M_{19}, C''_1) → p_3Segment(C'_1, M_{19}) → q_3Segment(C_4, M_{19}) → k_6Segment(B'''_1, M_{19}) → l_6Segment(B''_1, B'''_1) → m_3Segment(B'''_1, C_4) → n_6Segment(C_4, C'_1) → p_6Segment(C'_1, C''_1) → q_6Segment(C''_1, N_5) → t_4Segment(N_5, B_3) → a_8Segment(B_3, B'_3) → b_6Segment(B'_3, B''_1) → c_5Angle(B_3, B'_3, B''_1) → ζ_2Angle(B''_1, B'_3, H_2) → μ_2Segment(B'_3, H_2) → m_7
AI 绘图提示语参考
绘制一个正多边形,包括其内角和外角。首先画一个圆,然后从圆上一点出发画两条线段形成一个正多边形的边,接着围绕这个点旋转这些线段来构造多边形的其他边,同时标出内角和外角。
以上提示语为根据原始绘图命令整理而来,仅供参考。