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Correlation of Triangle Vertices

Correlation of Triangle Vertices
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2015-07-17 05:00
TriangleCoordinate GeometryProbability & Statistics
In collections A Geometry Teacher Meets the Correlation Coefficient
This example demonstrates the correlation between the vertices of triangle ABC. By dragging the points, observe the relationships between the vertices. Commands used include polygon, linear fit, and Pearson's correlation coefficient. Suitable for high school mathematics education and learning.

GeoGebra Commands & Parameters

  1. Polygon(C, A, B) → poly1, b, c, a
  2. FitLineY({A, B, C}) → d
  3. PMCC({A, B, C}) → r
  4. LaTeX(r, true, true) → text2
  5. LaTeX(d, true, false) → text1
  6. Polygon(C', A', B') → poly2, b', c', a'