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Perimeters of Inside Shapes-5

Perimeters of Inside Shapes-5
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2019-04-07 19:41
PolygonVectorTrigonometry
This example demonstrates the calculation of perimeters of inside shapes. Key mathematical concepts include geometric transformations, vectors, and trigonometry. Using GeoGebra commands such as Polygon, LineBisector, and Intersect, complex geometric shapes can be constructed. Suitable for high school geometry courses.

GeoGebra Commands & Parameters

  1. Polygon(A, B, 5) → poly1, f, g, h, i, j, C, D, E
  2. LineBisector(E, D) → k
  3. LineBisector(D, C) → l
  4. LineBisector(C, B) → m
  5. LineBisector(B, A) → n
  6. LineBisector(E, A) → p
  7. Intersect(k, i) → F
  8. Intersect(l, h) → G
  9. Intersect(m, g) → H
  10. LineBisector(f) → q
  11. Point(f) → I
  12. Intersect(k, l) → J
  13. Circle(J, G) → c
  14. Circle(D, G) → d
  15. Intersect(c, p, 1) → K
  16. Circle(E, K) → e
  17. Circle(A, K) → r
  18. Circle(C, H) → t
  19. CircleArc(D, F, G) → c_1
  20. PointIn(c_1) → Pointc1_1
  21. Circle(B, H) → s
  22. Length(c_1) → b
  23. PointIn(c_1) → Pointc1
  24. Angle(F, D, G) → aaa
  25. Segment(F, D) → f_1
  26. CircleArc(C, G, H) → d_1
  27. CircleArc(B, H, I) → e_1
  28. CircleArc(A, I, K) → g_1
  29. CircleArc(E, K, F) → h_1