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Inscribed Angles (part 2)

Inscribed Angles (part 2)
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2016-11-29 23:32
CircleAngleTrigonometryGeometric ConstructionSlider Animation
In collections Angles in Circles
This example demonstrates the inscribed angle theorem and its applications by dynamically proving the relationship between central angles and inscribed angles in a circle. Key math concepts include the inscribed angle theorem, unit circle, equilateral triangles, polygons, and fractions. Construction highlights involve GeoGebra commands such as Circle, Point, Segment, CircleArc, Angle, Line, Tangent, and Intersect. Suitable for high school mathematics education to visually illustrate the theorem and its corollaries, enhancing geometric construction and proof skills.

GeoGebra Commands & Parameters

  1. Circle(A, B) → c
  2. Point(c) → C
  3. Segment(C, A) → a
  4. Segment(A, B) → b
  5. CircleArc(A, C, B) → d
  6. CircleArc(A, B, C) → e
  7. Angle(B, A, C) → α
  8. Point(d) → D
  9. Segment(B, D) → f
  10. Segment(C, D) → g
  11. Angle(B, D, C) → β
  12. Point(d) → E
  13. Segment(C, E) → i
  14. Segment(B, E) → j
  15. Angle(B, E, C) → γ
  16. Line(C, A) → l
  17. Point(e) → G
  18. Segment(C, G) → n
  19. Segment(G, B) → p
  20. Angle(C, G, B) → δ
  21. Angle(G, B, D) → ε
  22. Angle(D, C, G) → ζ
  23. Tangent(C, e) → r,
  24. Tangent(B, e) → s,
  25. Intersect(s, r) → H
  26. Segment(C, H) → t
  27. Segment(H, B) → a_1
  28. Angle(C, H, B) → η
  29. Intersect(c, l) → F, I
  30. Segment(C, I) → m