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Parts of a Circle

Parts of a Circle
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2017-12-22 21:46
CircleAngleGeometric Construction
In collections Mathematics Form 2
This example illustrates parts of a circle, including chords, arcs, sectors, and central angles. It covers core mathematical concepts such as circles, vectors, and angles. Using GeoGebra commands like Circle, Segment, Arc, and Sector, it provides a visual demonstration of circle geometry. Suitable for middle school and above students to learn circle geometric construction.

GeoGebra Commands & Parameters

  1. Circle(O, a) → c
  2. Point(c) → B
  3. Point(c) → A
  4. Line(A, B) → l
  5. Slope(l) → s
  6. Distance(A, B) → AB
  7. SelectedIndex(Bahasa) → nn
  8. If(nn ≟ 1, " units", " unit") → UTex
  9. Segment(A, B) → f
  10. If(nn ≟ 1, {"Chord AB", "Minor arc AB", "Major arc AB", "Minor sector OAB", "Major sector OAB", "Minor segment", "Major segment"}, {"Perentas AB", "Lengkok minor AB", "Lengkok major AB", "Sektor minor OAB", "Sektor major OAB", "Tembereng minor", "Tembereng major"}) → Bahagian
  11. SelectedIndex(Bahagian) → m
  12. Angle(A, O, B) → α
  13. If(α < 180°, A, α ≥ 180°, B) → M
  14. If(α < 180°, B, α ≥ 180°, A) → N
  15. Arc(c, M, N) → MnArc
  16. Arc(c, N, M) → MjArc
  17. Sector(c, M, N) → MnSek
  18. Sector(c, N, M) → MjSek
  19. Arc(c, M, N) → MnSeg
  20. Arc(c, N, M) → MjSeg
  21. Segment(A, B) → g
  22. Segment(A, B) → h
  23. Segment(O, A) → i
  24. Segment(O, B) → j
  25. Angle(M, O, N) → β
  26. Angle(N, O, M) → γ
  27. RotateText(Text[AB] + UTex, atan(s)) → text4
  28. Midpoint(A, B) → C
  29. Sector(c, N, M) → ShMjSektor
  30. Sector(c, M, N) → ShMnSektor
  31. Arc(c, N, M) → ShMjSeg
  32. Arc(c, M, N) → ShMnSeg