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P6 Horizontal Symmetry Axis Exercise

P6 Horizontal Symmetry Axis Exercise
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2020-05-26 20:31
Coordinate GeometryTransformationGeometric Construction
In collections P6 6S1 Symmetry (English Version)
This example demonstrates the symmetry transformation of a figure under a horizontal symmetry axis. Key math concepts involved include symmetry, parallelogram, derivative, straight lines, and arithmetic operations. Construction highlights from the summary utilize GeoGebra commands and objects such as Segment, IndexOf, Element, Mirror, Defined, Sequence, and If. Suitable for middle school and above learners to understand symmetry transformations and geometric constructions.

GeoGebra Commands & Parameters

  1. Segment(Blue10a, Blue10b) → Blue10
  2. Segment(Blue9a, Blue9b) → Blue9
  3. IndexOf(SelectedElement[ListNumSeg], ListNumSeg) → NumSeg
  4. Segment(Blue8a, Blue8b) → Blue8
  5. Segment(Blue7a, Blue7b) → Blue7
  6. Segment(Blue6a, Blue6b) → Blue6
  7. Segment(Blue5a, Blue5b) → Blue5
  8. Segment(Blue4a, Blue4b) → Blue4
  9. Segment(Blue3a, Blue3b) → Blue3
  10. Segment(Blue2a, Blue2b) → Blue2
  11. Segment(Blue1a, Blue1b) → Blue1
  12. IndexOf(SelectedElement[ListSymA], ListSymA) → NumSymA
  13. Element({SymA1, SymA2, SymA3, SymA4}, NumSymA) → SymA
  14. Mirror(Blue10b, SymA) → Blue10b'
  15. Mirror(Blue10a, SymA) → Blue10a'
  16. Segment(Blue10a', Blue10b') → RefBlue10
  17. Mirror(Blue9b, SymA) → Blue9b'
  18. Mirror(Blue9a, SymA) → Blue9a'
  19. Segment(Blue9a', Blue9b') → RefBlue9
  20. Mirror(Blue8b, SymA) → Blue8b'
  21. Mirror(Blue8a, SymA) → Blue8a'
  22. Segment(Blue8a', Blue8b') → RefBlue8
  23. Mirror(Blue7b, SymA) → Blue7b'
  24. Mirror(Blue7a, SymA) → Blue7a'
  25. Segment(Blue7a', Blue7b') → RefBlue7
  26. Mirror(Blue6b, SymA) → Blue6b'
  27. Mirror(Blue6a, SymA) → Blue6a'
  28. Segment(Blue6a', Blue6b') → RefBlue6
  29. Mirror(Blue5b, SymA) → Blue5b'
  30. Mirror(Blue5a, SymA) → Blue5a'
  31. Segment(Blue5a', Blue5b') → RefBlue5
  32. Mirror(Blue4b, SymA) → Blue4b'
  33. Mirror(Blue4a, SymA) → Blue4a'
  34. Segment(Blue4a', Blue4b') → RefBlue4
  35. Mirror(Blue3b, SymA) → Blue3b'
  36. Mirror(Blue3a, SymA) → Blue3a'
  37. Segment(Blue3a', Blue3b') → RefBlue3
  38. Mirror(Blue2b, SymA) → Blue2b'
  39. Mirror(Blue2a, SymA) → Blue2a'
  40. Segment(Blue2a', Blue2b') → RefBlue2
  41. Mirror(Blue1b, SymA) → Blue1b'
  42. Mirror(Blue1a, SymA) → Blue1a'
  43. Segment(Blue1a', Blue1b') → RefBlue1
  44. Defined(IndexOf[RefBlue1, List1]) → Match1
  45. Sequence(Sequence[(s, t), s, -14, 12], t, -8, 8) → ListDots
  46. If(NumSeg ≟ 1, Match1, NumSeg ≟ 6, Match6, NumSeg ≟ 7, Match7, NumSeg ≟ 8, Match8, NumSeg ≟ 9, Match9, Match10, NumSeg ≟ 2, Match2, NumSeg ≟ 3, Match3, NumSeg ≟ 4, Match4, NumSeg ≟ 5, Match5) → Match