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Perimeter of Rectilinear Shape

Perimeter of Rectilinear Shape
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2017-10-09 03:17
PolygonTransformation
This example demonstrates how to calculate the perimeter of an irregular rectilinear polygon. It involves core mathematical concepts such as perimeter calculation, geometric transformations, and symmetry. GeoGebra commands like Line, Point, Intersect, Polygon, and Segment are used in the construction. Suitable for middle school students and above to learn about polygon perimeters and applications of geometric transformations.

GeoGebra Commands & Parameters

  1. Line(A, xAxis) → f
  2. Line(A, yAxis) → g
  3. Point(g) → B
  4. Line(B, xAxis) → h
  5. Point(f) → C
  6. Line(C, yAxis) → i
  7. Intersect(xAxis, yAxis) → D
  8. Intersect(h, yAxis) → E
  9. Intersect(i, xAxis) → F
  10. Point(i) → J
  11. Line(J, xAxis) → j
  12. Intersect(j, yAxis) → H
  13. Intersect(xAxis, yAxis) → I
  14. Intersect(i, xAxis) → K
  15. Intersect(h, i) → L
  16. Polygon(H, J, L, B, A, C, K, I) → poly1, h_1, j_1, l, b, a, c, k, i_1
  17. Intersect(h_1, i_1) → G
  18. Segment(J, G) → m
  19. Intersect(j_1, l) → M
  20. Intersect(l, b) → N
  21. Segment(M, N) → n
  22. Intersect(k, i_1) → O
  23. Segment(J, M) → r
  24. Intersect(h_1, i_1) → Q
  25. Segment(O, Q) → t
  26. Point(c) → R
  27. Segment(R, O) → p