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Postulate 9

Postulate 9
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2016-09-27 20:55
Coordinate GeometryMatrixGeometric Construction
This example illustrates Postulate 9, which states that 'two points determine a unique line.' It involves fundamental geometric concepts. Using GeoGebra commands such as Plane, Line, Point, and PointIn, the example constructs a line determined by two points. Suitable for students at the junior high school level and above for geometric construction.

GeoGebra Commands & Parameters

  1. Plane(G, B, D) → S
  2. Plane(B, D, N) → R
  3. Line(B, D) → c
  4. Line(D, G) → h
  5. Point(c) → A
  6. PointIn(S) → C