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Virtual Geoboard: Rectangles

Virtual Geoboard: Rectangles
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2016-09-22 16:24
PolygonCoordinate Geometry
In collections Geometric Figures on the Virtual Geoboard
This example demonstrates how to create displayed rectangles on a virtual geoboard by dragging purple points onto the corresponding grid points. The core math concepts involved include polygon construction and coordinate geometry. The construction uses GeoGebra commands Polygon, Random, and Vector; objects include I_2, A_2, Z_1, W_1, H_2, V_1, U_1, T_1, G_2, D_2, C_2, B_2, F_2, S_1, R_1, Q_1, E_2, D_1, C_1, B_1, A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T. Suitable for middle school and above students for learning and practicing geometric constructions.

GeoGebra Commands & Parameters

  1. Polygon(B_1, C_1, D_1, E_2) → Vieleck1, h, k, n, s
  2. Polygon(I, G, R) → Vieleck2, r, i, g
  3. Polygon(L, O, P, S) → Vieleck3, a, b, c, d
  4. Polygon(A, C, W, U) → Vieleck4, j, q, t, e
  5. Polygon(L, O, A_1, V) → Vieleck5, m, j_1, k_1, l_1
  6. Polygon(I, B, D, G) → Vieleck6, f, l, p, c_1
  7. Random(1, 7) → zuf
  8. Polygon(C, D, Z, W) → Vieleck7, a_1, e_1, i_2, j_2
  9. Polygon(R_1, Q_1, F_2, S_1) → Vieleck8, f_1, g_1, h_1, i_1
  10. Polygon(T_1, U_1, H_2, V_1) → Vieleck9, r_1, s_1, t_1, b_1
  11. Polygon(I_2, W_1, Z_1, A_2) → Vieleck10, d_1, f_2, g_2, h_2
  12. Polygon(B_2, C_2, G_2, D_2) → Vieleck11, m_1, n_1, p_1, q_1
  13. Vector(U_2, V_2) → u