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270 Degree Rotation

270 Degree Rotation
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2016-03-04 06:23
Coordinate GeometryTransformationGeometric Construction
In collections Rotations- Lesson Plan
This example demonstrates what happens when coordinates are rotated 270 degrees. The core math concept is rotation transformation. It uses Polygon, Intersect, Rotate, etc. GeoGebra commands. Suitable for middle school and above students learning geometric transformations.

GeoGebra Commands & Parameters

  1. Polygon(A, B, C) → poly1, c, a, b
  2. Intersect(xAxis, yAxis) → D
  3. Rotate(A, 270°, D) → A'
  4. Rotate(B, 270°, D) → B'
  5. Rotate(C, 270°, D) → C'
  6. Polygon(A', B', C') → poly1', c', a', b'