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IM 8.1.11 Practice: What Is The Same?

IM 8.1.11 Practice: What Is The Same?
几何画板及绘图内容加载中，请稍等……
2020-07-21 20:41
测试改名0多边形变换几何作图
① This example is a practice problem from Illustrative Mathematics Grade 8 Unit 1 Lesson 11, which uses a series of geometric constructions (including segments, polygons, and triangles) to guide students in thinking about which properties remain invariant under geometric transformations. ② The core mathematical concepts involve congruence and similarity of figures, transformations such as translation, rotation, reflection, and dilation, as well as comparisons of corresponding sides, angles, and areas. ③ Construction highlights: from the construction summary, the GeoGebra commands Segment and Polygon are used, creating multiple points (A, B, C, D, E, etc.) and segments (f, g, h, etc.), and constructing polygon poly1; it may also involve vectors (2D) and statistical features (like boxplots) as auxiliary representations, but the main focus is on constructing and measuring geometric figures. ④ It is suitable for 8th-grade students as a classroom practice or homework for the geometric transformations unit, and can also be used by teachers to demonstrate how to explore geometric properties with dynamic geometry software.

GeoGebra 命令及参数

  1. Segment(A, B) → f
  2. Segment(B, C) → g
  3. Segment(C, A) → h
  4. Polygon(A, C, B) → t1, b, a, c
  5. Segment(D, E) → i
  6. Segment(E, F) → j
  7. Segment(F, G) → k
  8. Segment(G, D) → l
  9. Polygon(D, E, F, G) → q1, d, e, f_1, g_1
  10. Segment(H, I) → m
  11. Segment(I, J) → n
  12. Segment(J, K) → p
  13. Segment(K, L) → q
  14. Segment(L, H) → r
  15. Polygon(H, I, J, K, L) → poly1, h_1, i_1, j_1, k_1, l_1
  16. Segment(M, N) → s
  17. Segment(N, O) → t
  18. Segment(O, P) → m_1
  19. Segment(P, Q) → n_1
  20. Segment(Q, R) → p_1
  21. Segment(R, M) → q_1
  22. Polygon(R, M, N, O, P, Q) → poly2, r_1, m_2, n_2, o, p_2, q_2
  23. Segment(S, T) → s_1
  24. Segment(T, U) → t_1
  25. Segment(U, V) → a_1
  26. Segment(V, W) → b_1
  27. Segment(W, Z) → c_1
  28. Segment(Z, A_1) → d_1
  29. Segment(A_1, S) → e_1
  30. Polygon(S, T, U, V, W, Z, A_1) → poly3, s_2, t_2, u, v, w, z_1, f_2
  31. Segment(B_1, C_1) → g_2
  32. Segment(C_1, D_1) → h_2
  33. Segment(D_1, E_1) → i_2
  34. Segment(E_1, F_1) → j_2
  35. Segment(F_1, G_1) → k_2
  36. Segment(G_1, H_1) → l_2
  37. Segment(H_1, I_1) → r_2
  38. Segment(I_1, B_1) → a_2
  39. Polygon(B_1, C_1, D_1, E_1, F_1, G_1, H_1, I_1) → poly4, b_2, c_2, d_2, e_2, f_3, g_3, h_3, i_3
  40. Segment(J_1, K_1) → j_3
  41. Segment(K_1, L_1) → k_3
  42. Segment(L_1, M_1) → l_3
  43. Segment(M_1, N_1) → m_3
  44. Segment(N_1, O_1) → n_3
  45. Segment(O_1, P_1) → p_3
  46. Segment(P_1, Q_1) → q_3
  47. Segment(Q_1, R_1) → r_3
  48. Segment(R_1, J_1) → s_3
  49. Polygon(R_1, J_1, K_1, L_1, M_1, N_1, O_1, P_1, Q_1) → poly5, t_3, a_3, b_3, c_3, d_3, e_3, o_1, f_4, g_4
  50. Segment(S_1, T_1) → h_4
  51. Segment(T_1, U_1) → i_4
  52. Segment(U_1, V_1) → j_4
  53. Segment(V_1, W_1) → k_4
  54. Segment(W_1, Z_1) → l_4
  55. Segment(Z_1, A_2) → m_4
  56. Segment(A_2, B_2) → n_4
  57. Segment(B_2, C_2) → p_4
  58. Segment(C_2, D_2) → q_4
  59. Segment(D_2, S_1) → r_4
  60. Polygon(S_1, T_1, U_1, V_1, W_1, Z_1, A_2, B_2, C_2, D_2) → poly6, s_4, e_4, t_4, u_1, v_1, w_1, a_4, b_4, c_4, d_4

AI 绘图提示语参考

画一个由多个多边形组成的几何图形，包括一个三角形和几个五边形，通过线段连接各个顶点，展示几何变换中的不变性。首先绘制一个三角形，然后在其周围绘制几个五边形，每个五边形通过线段连接六个顶点，最后将所有图形组合在一起，观察它们在几何变换下的关系。
以上提示语为根据原始绘图命令整理而来，仅供参考。