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Center of Rotation Demo

Center of Rotation Demo
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2017-03-13 18:11
CircleTransformationGeometric Construction
This example demonstrates how to construct figures through rotation and find the center of rotation. It involves core math concepts like rotation, circle, polygon, and geometric construction. Key GeoGebra commands/objects used include Polygon, Circle, and Rotate. Suitable for middle school and above students to understand properties of geometric transformations.

GeoGebra Commands & Parameters

  1. Polygon(A, B, C, D) → poly1, a, b, c, d
  2. Circle(P, A) → e
  3. Circle(P, C) → f
  4. Rotate(A, θ°, P) → A'
  5. Rotate(B, θ°, P) → B'
  6. Rotate(C, θ°, P) → C'
  7. Rotate(D, θ°, P) → D'
  8. Polygon(A', B', C', D') → poly1', a', b', c', d'