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Rectangle - Perimeter (1) Exercise

Rectangle - Perimeter (1) Exercise
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2017-10-19 21:29
PolygonGeometric ConstructionSlider Animation
In collections Perimeter of rectangle and square
This example demonstrates how to draw a rectangle and calculate its perimeter using GeoGebra. Key math concepts include the definition of a rectangle, the perimeter formula, and the relationships between points and line segments. Construction highlights involve commands like Random for generating points, Segment and Circle for edges and circles, OrthogonalLine and Intersect for determining intersections, Polygon for forming the shape, and Textfield/Text for displaying information. Suitable for middle school and above, focusing on geometric construction and perimeter calculation practice.

GeoGebra Commands & Parameters

  1. Random(2, 12) → a
  2. Point(Circle[A, a]) → B
  3. Segment(A, B) → c
  4. Random(3, 7) → b
  5. Circle(A, b) → d
  6. OrthogonalLine(A, c) → e
  7. OrthogonalLine(B, c) → f
  8. Intersect(d, e) → C, D
  9. OrthogonalLine(D, e) → g
  10. Intersect(f, g) → E
  11. Polygon(A, B, E, D) → Vieleck1, a_1, b_1, e_1, d_1
  12. Point(Vieleck1) → F
  13. Segment(I, J) → h
  14. Textfield(u_2) → Textfeld1