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Rotation Investigation by Jonathan Garfield

Rotation Investigation by Jonathan Garfield
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2015-02-10 06:33
VectorTransformationGeometric Construction
This example demonstrates the movement of an object as it is rotated about the origin. Key mathematical concepts include rotation and vectors. Using GeoGebra commands such as Rotate and Polygon, students can observe the effects of rotation on the shape. Suitable for middle school and above students to learn geometric transformations.

GeoGebra Commands & Parameters

  1. Intersect(xAxis, yAxis) → O
  2. Polygon(A, B, C, D) → poly1, b_1, c_1, d_1, e
  3. Rotate(A, α, O) → A'
  4. Rotate(B, α, O) → B'
  5. Rotate(C, α, O) → C'
  6. Rotate(D, α, O) → D'
  7. Polygon(A', B', C', D') → poly1', b', c', d', e'
  8. Polygon(A_*, B_*, C_*, D_*) → poly2, e_1, f_1, g, h