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Angle of Rotation

Angle of Rotation
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2019-02-21 08:16
AngleTrigonometry
This example demonstrates the concept of angle of rotation. It involves trigonometry and geometric transformations. Using GeoGebra commands such as Intersect, Circle, and Segment, the rotation angle can be constructed. Suitable for high school mathematics education and learning.

GeoGebra Commands & Parameters

  1. Intersect(xAxis, yAxis) → A
  2. Circle(A, 1) → c
  3. Intersect(c, xAxis, 2) → B
  4. Segment(A, B) → f
  5. Point(c) → C
  6. Segment(A, C) → g
  7. Line(A, B) → h
  8. Intersect(c, h, 2) → D
  9. LineBisector(D, B) → i
  10. Angle(B, A, C) → α