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Create a Trapezoid

Create a Trapezoid
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2017-04-01 06:59
PolygonFunctionGeometric Construction
This example demonstrates how to create a trapezoid using GeoGebra. Key mathematical concepts include polygons and geometric construction. Commands such as Segment, Intersect, and Polygon are used to create the trapezoid. Suitable for middle school and above students learning geometric construction.

GeoGebra Commands & Parameters

  1. Segment(A, B) → f
  2. OrthogonalLine(A, f) → g
  3. OrthogonalLine(B, f) → h
  4. Point(g) → C
  5. OrthogonalLine(C, g) → i
  6. Intersect(h, i) → D
  7. Segment(C, D) → j
  8. Point(j) → E
  9. Segment(E, A) → k
  10. Circle(B, F) → c
  11. Intersect(c, j, 1) → G
  12. Segment(G, B) → l
  13. Segment(D, C) → m
  14. Segment(E, G) → n
  15. Polygon(E, G, B, A) → poly1, e, g_1, b, a
  16. Angle(A, B, E) → α
  17. Angle(A, E, G) → β