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Interactive Rectangle and Triangle

Interactive Rectangle and Triangle
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2016-01-03 14:46
PolygonCoordinate GeometryGeometric Construction
This example demonstrates interactive calculations of area and perimeter for rectangles and triangles. It involves core math concepts like area, perimeter, and coordinate geometry. Construction highlights include using GeoGebra commands such as Intersect, OrthogonalLine, Polygon, Point, and LaTeX. Suitable for middle school and above learners to understand basic geometric properties and calculation methods.

GeoGebra Commands & Parameters

  1. Intersect(xAxis, yAxis) → A
  2. OrthogonalLine(C, yAxis) → a
  3. OrthogonalLine(C, xAxis) → b
  4. Intersect(a, yAxis) → B
  5. Intersect(b, xAxis) → D
  6. Polygon(A, B, C, D) → poly1, a_1, c, b_1, d
  7. Point(c) → E
  8. OrthogonalLine(E, d) → e
  9. Polygon(A, E, D) → poly2, d_1, a_2, e_1
  10. Intersect(e, d) → F
  11. LaTeX(Rect1, true, true) → text2
  12. LaTeX(PerimT, true, true) → text1