Construct a Rectangle with Given Area (One Given Side)

Construct a Rectangle with Given Area (One Given Side)
Loading the math board and drawing, please wait…
2020-06-10 22:31
This example demonstrates how to construct a rectangle with a given area, equal to the area of a given square. Key mathematical concepts include geometric construction, similar triangles, and geometric mean. Using GeoGebra commands such as Intersect, Point, Circle, Segment, and Polygon, this construction can be achieved. Suitable for middle school and above students to learn geometric construction and area calculation.

GeoGebra Commands & Parameters

  1. Intersect(xAxis, yAxis) → A
  2. Point(xAxis) → C_1
  3. Circle(A, 5) → c
  4. Intersect(c, xAxis, 2) → B_1
  5. Segment(C_1, B_1) → f
  6. Point(f) → B
  7. Polygon(A, B, 4) → poly1, g, h, i, j, C, D
  8. Circle(A, Distance[A, B] + 5) → d
  9. Intersect(d, yAxis, 2) → F_1
  10. Circle(A, 1) → e
  11. Intersect(e, yAxis) → G_1, H_1
  12. Segment(H_1, F_1) → k
  13. Point(k) → I
  14. OrthogonalLine(I, yAxis) → l
  15. OrthogonalLine(B, xAxis) → m
  16. Intersect(l, m) → E
  17. Segment(I, A) → p
  18. Segment(A, E) → q
  19. Intersect(i, q) → F
  20. OrthogonalLine(F, l) → r
  21. Intersect(l, r) → G
  22. Intersect(r, g) → H
  23. Polygon(A, H, G, I) → q1, a, m_1, l_1, i_1
  24. Segment(I, E) → s
  25. Ray(A, E) → t
  26. Ray(D, C) → b
  27. Ray(I, E) → f_1
  28. Ray(A, B) → g_1
  29. Intersect(t, b) → N
  30. OrthogonalLine(N, xAxis) → h_1
  31. Intersect(h_1, f_1) → O
  32. Intersect(h_1, g_1) → P
  33. Polygon(A, P, O, I) → q2, a_1, p_1, o, i_2
  34. Segment(E, N) → k_1
  35. Segment(I, O) → q_1
  36. Segment(A, P) → r_1
  37. Segment(G, F) → s_1
  38. Segment(N, O) → n_1
  39. Segment(O, P) → t_1
  40. Segment(C, N) → j_1
  41. Segment(E, C) → n
  42. Segment(C, B) → b_1
  43. Segment(C, D) → c_1
  44. Segment(B, A) → d_1
  45. Segment(D, A) → e_1
  46. Segment(G, E) → f_2
  47. Intersect(k_1, q) → J
  48. Intersect(q, b_1) → K

AI Drawing Prompt Reference

Draw a rectangle with a given area where one side is known. Start by plotting a circle at the origin and find its intersection with the x-axis. Connect this point to the origin to form one side of the rectangle. Then, construct a rectangle with the same area as a given square using this side. Next, draw a larger circle centered at the origin and find its intersection with the y-axis. Connect these points to complete the rectangle. Finally, add some auxiliary line segments and rays to enhance the shape.
The prompt above was compiled from the original drawing commands and is for reference only.