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12 Point Circle

12 Point Circle
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2018-03-12 15:08
CirclePolygonGeometric Construction
In collections Star Drawings
This example demonstrates the construction of a 12-point circle. It involves key concepts of circles and polygon geometry. Using GeoGebra commands, 12 points are constructed to form a circle. Suitable for middle school and above students to learn about circle properties and geometric construction.

GeoGebra Commands & Parameters

  1. x^(2) + y^(2) = 1
  2. 2
  3. 3
  4. 4
  5. 5
  6. 6
  7. 7
  8. 8
  9. 9
  10. 10
  11. 11
  12. 12
  13. 1
  14. ((2 * π) * A1 / 12)
  15. ((2 * π) * A2 / 12)
  16. ((2 * π) * A3 / 12)
  17. ((2 * π) * A4 / 12)
  18. ((2 * π) * A5 / 12)
  19. ((2 * π) * A6 / 12)
  20. ((2 * π) * A7 / 12)
  21. ((2 * π) * A8 / 12)
  22. ((2 * π) * A9 / 12)
  23. ((2 * π) * A10 / 12)
  24. ((2 * π) * A11 / 12)
  25. ((2 * π) * A12 / 12)
  26. cos(B1)
  27. cos(B2)
  28. cos(B3)
  29. cos(B4)
  30. cos(B5)
  31. cos(B6)
  32. cos(B7)
  33. cos(B8)
  34. cos(B9)
  35. cos(B10)
  36. cos(B11)
  37. cos(B12)
  38. sin(B1)
  39. sin(B2)
  40. sin(B3)
  41. sin(B4)
  42. sin(B5)
  43. sin(B6)
  44. sin(B7)
  45. sin(B8)
  46. sin(B9)
  47. sin(B10)
  48. sin(B11)
  49. sin(B12)
  50. (C1, D1)
  51. (C2, D2)
  52. (C3, D3)
  53. (C4, D4)
  54. (C5, D5)
  55. (C6, D6)
  56. (C7, D7)
  57. (C8, D8)
  58. (C9, D9)
  59. (C10, D10)
  60. (C11, D11)