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Rotations on the Coordinate Plane

Rotations on the Coordinate Plane
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2018-11-16 13:03
PolygonCoordinate GeometryTransformation
This example demonstrates how to rotate polygons on the coordinate plane, involving core math concepts like rotation, angles, coordinate geometry, and transformation. It uses commands such as Polygon, Rotate, and Angle in GeoGebra for construction, suitable for middle school and above students learning geometric transformations and their coordinate representations.

GeoGebra Commands & Parameters

  1. Polygon(A, B, C) → t1, c, a, b
  2. Rotate(D, Degrees°, O) → D'
  3. Angle(D, O, D') → α
  4. Rotate(A, Degrees°, O) → A'
  5. Rotate(B, Degrees°, O) → B'
  6. Rotate(C, Degrees°, O) → C'
  7. Polygon(A', B', C') → t1', c', a', b'