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Area and Perimeter of Rectangles

Area and Perimeter of Rectangles
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2020-04-29 22:08
PolygonGeometric ConstructionSlider Animation
This example demonstrates the calculation of area and perimeter for rectangles. It involves core math concepts like area, perimeter, multiplication, and ratios. Construction highlights include using commands like Sequence, Polygon, Circle, and Point in GeoGebra. Suitable for middle school mathematics education to visually aid students in understanding rectangle area and perimeter calculations.

GeoGebra Commands & Parameters

  1. Sequence((x(A) + (unitsize * i), y(A)), i, 1, base) → list1
  2. Sequence((x(A) + (unitsize * i), y(A) + (height * unitsize)), i, 1, base) → list2
  3. Sequence((x(A), y(A) + (unitsize * i)), i, 1, height) → list3
  4. Sequence((x(A) + base, y(A) + (unitsize * i)), i, 1, height) → list4
  5. Polygon(A, Element[list1, base], Element[list2, base], Element[list3, height]) → poly1, a, b, c, d
  6. Circle(B, unitsize) → f
  7. Point(f) → C
  8. Circle(C, unitsize) → g
  9. Polygon(B, C, 4) → poly2, h, i, j, k, D, E
  10. Sequence(Segment[(x(A), y(A) + (unitsize * i)), (x(A) + (base * unitsize), y(A) + (unitsize * i))], i, 0, height) → dottedhorizontals
  11. Sequence(Segment[(x(A) + (unitsize * i), y(A)), (x(A) + (unitsize * i), y(A) + (height * unitsize))], i, 0, base) → dottedverticals