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Area of Abnormal Shapes: Lesson 3

Area of Abnormal Shapes: Lesson 3
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2016-03-23 02:09
PolygonCoordinate GeometryGeometric Construction
In collections Area/Perimeter Area Lessons
This example demonstrates how to calculate the area of shapes with diagonals and provides an opportunity for students to create their own unique shapes and find their areas. Key math concepts include area calculation and geometric construction. It uses commands like Polygon and Segment in GeoGebra. Suitable for middle school and above students.

GeoGebra Commands & Parameters

  1. Polygon(A, B, C, D) → poly1, a, b, c, d
  2. Segment(K, L) → k
  3. Segment(L, M) → l
  4. Segment(M, N) → m
  5. Segment(N, O) → n
  6. Segment(O, P) → p
  7. Segment(P, K) → q
  8. Segment(Q, R) → r
  9. Segment(R, S) → s
  10. Segment(S, T) → t
  11. Segment(T, U) → a_1
  12. Segment(U, Q) → b_1
  13. Segment(V, W) → c_1
  14. Segment(W, Z) → d_1
  15. Segment(Z, A_1) → e_1
  16. Segment(A_1, B_1) → f_1
  17. Segment(B_1, C_1) → g_1
  18. Segment(C_1, V) → h_1
  19. Segment(E, F) → e
  20. Segment(F, G) → f
  21. Segment(G, H) → g
  22. Segment(H, I) → h
  23. Segment(I, J) → i
  24. Segment(J, E) → j
  25. Segment(F_1, G_1) → k_1
  26. Segment(G_1, H_1) → l_1
  27. Segment(H_1, I_1) → m_1
  28. Segment(I_1, J_1) → n_1
  29. Segment(J_1, K_1) → p_1
  30. Segment(K_1, L_1) → q_1
  31. Segment(L_1, M_1) → r_1
  32. Segment(M_1, N_1) → s_1
  33. Segment(N_1, O_1) → t_1
  34. Segment(O_1, D_1) → a_2
  35. Segment(R_1, S_1) → d_2
  36. Segment(S_1, T_1) → e_2
  37. Segment(T_1, U_1) → f_2
  38. Segment(U_1, V_1) → g_2
  39. Segment(V_1, W_1) → h_2
  40. Segment(W_1, Z_1) → i_2
  41. Segment(Z_1, A_2) → j_2
  42. Segment(A_2, P_1) → k_2
  43. Segment(D_2, E_2) → n_2
  44. Segment(E_2, F_2) → p_2
  45. Segment(F_2, G_2) → q_2
  46. Segment(G_2, H_2) → r_2
  47. Segment(H_2, I_2) → s_2
  48. Segment(I_2, J_2) → t_2
  49. Segment(J_2, K_2) → a_3
  50. Segment(K_2, B_2) → b_3
  51. Segment(D_1, E_1) → i_1
  52. Segment(E_1, L_2) → j_1
  53. Segment(L_2, M_2) → c_3
  54. Segment(M_2, F_1) → d_3
  55. Segment(P_1, Q_1) → b_2
  56. Segment(Q_1, N_2) → c_2
  57. Segment(N_2, O_2) → e_3
  58. Segment(O_2, R_1) → f_3
  59. Segment(B_2, C_2) → l_2
  60. Segment(C_2, P_2) → m_2
  61. Segment(P_2, Q_2) → g_3
  62. Segment(Q_2, D_2) → h_3