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Determine the Center and Angle of Rotation

Determine the Center and Angle of Rotation
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2019-09-21 04:49
AngleCoordinate GeometryTransformation
This example demonstrates how to determine the center and angle of rotation using geometric transformations. Key mathematical concepts include rotation, angles, and geometric construction. It utilizes commands such as Polygon, Line, and Rotate in GeoGebra. Suitable for students in middle school and above to learn about rotation and related geometric transformations.

GeoGebra Commands & Parameters

  1. Polygon(A, B, C) → t1, c, a, b
  2. Line(E, F) → f
  3. Line(G, H) → g
  4. Rotate(A, 104°, D) → A'
  5. Rotate(B, 104°, D) → B'
  6. Rotate(C, 104°, D) → C'
  7. Polygon(A', B', C') → t1', c', a', b'