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Finding the Center of Rotation by Steve Weissburg

Finding the Center of Rotation by Steve Weissburg
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2016-09-30 03:41
Coordinate GeometryTransformationGeometric Construction
This example demonstrates how to find the center of rotation for a given figure using rotation transformations. Key mathematical concepts include rotation and geometric construction. It utilizes commands like Polygon and Rotate in GeoGebra. Suitable for middle school and above students learning geometric transformations.

GeoGebra Commands & Parameters

  1. Polygon(A, B, C) → poly1, c, a, b
  2. Rotate(A, 105°, D) → A'
  3. Rotate(B, 105°, D) → B'
  4. Rotate(C, 105°, D) → C'
  5. Polygon(A', B', C') → poly1', c', a', b'