Constructing a Rectangle by Ibrahim El Hage

Constructing a Rectangle by Ibrahim El Hage
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2017-10-13 17:20
This example demonstrates how to construct a rectangle using geometric construction methods. The core math concepts involved include circles, lines, intersections, segments, and angles. The construction process utilizes GeoGebra commands such as Circle, Line, Intersect, Segment, and Angle. It is suitable for middle school and above students to understand the basic methods and steps of geometric construction, particularly the process of constructing a rectangle.

GeoGebra Commands & Parameters

  1. Circle(O, 5) → c
  2. Line(O, B) → f
  3. Intersect(c, f) → C, D
  4. Line(O, E) → g
  5. Intersect(c, g) → G, F
  6. Segment(G, D) → h
  7. Segment(C, G) → k
  8. Segment(D, F) → i
  9. Segment(F, C) → j
  10. Angle(C, F, D) → α
  11. Angle(F, D, G) → β
  12. Angle(D, G, C) → γ
  13. Angle(G, C, F) → δ
  14. Segment(D, C) → l
  15. Segment(F, G) → m