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Intro to Dilations

Intro to Dilations
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2019-10-13 09:26
Coordinate GeometryTransformationGeometric Construction
This example demonstrates the concept of dilation through basic shapes, helping students understand how dilation changes the size and shape of a figure. Core math concepts include scale factor, center of dilation, and similarity of figures. Construction highlights the use of GeoGebra commands like Point, Polygon, and Dilate to create and transform shapes. Suitable for middle school and above students to explore and comprehend geometric transformations.

GeoGebra Commands & Parameters

  1. Point(xAxis) → D
  2. Polygon(C, D, E, F) → q1, c, d, e, f
  3. Dilate(C, Scale, A) → C'
  4. Dilate(D, Scale, A) → D'
  5. Dilate(E, Scale, A) → E'
  6. Dilate(F, Scale, A) → F'
  7. Polygon(C', D', E', F') → q1', c', d', e', f'