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Special Quadrilateral Constructions

Special Quadrilateral Constructions
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2016-06-30 19:42
PolygonAngleGeometric Construction
This example demonstrates basic constructions of special quadrilaterals using GeoGebra. It involves the properties and construction methods of quadrilaterals. Using commands such as Line, OrthogonalLine, Point, Intersect, Polygon, and Segment, various special quadrilaterals can be constructed. Suitable for middle and high school students to practice geometric constructions.

GeoGebra Commands & Parameters

  1. Line(A, B) → f
  2. OrthogonalLine(A, f) → g
  3. Point(g) → D
  4. Line(D, f) → h
  5. Line(B, g) → i
  6. Intersect(h, i) → E
  7. Polygon(A, B, E, D) → poly1, a, b, e, d
  8. Segment(D, E) → j
  9. Segment(E, B) → k
  10. Segment(B, A) → l
  11. Segment(A, D) → m
  12. Angle(poly1) → α, β, γ, δ