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Pyramid Volume by jgrzyw

Pyramid Volume by jgrzyw
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2016-10-28 16:40
Solid GeometryGeometric Construction
This example demonstrates the calculation of a pyramid's volume. Key mathematical concepts include the volume formula for a pyramid in solid geometry. Using GeoGebra commands such as Dilate (dilate), Vector (vector), Polygon (polygon), etc., the construction process of the pyramid is dynamically shown. Suitable for students at the junior high school level and above.

GeoGebra Commands & Parameters

  1. Dilate(F, height, E) → G
  2. Vector(E, G) → u
  3. Dilate(I, length, H) → L
  4. Vector(H, L) → v
  5. Circle(J, width) → g
  6. Line(J, K) → h
  7. Intersect(g, h, 1) → M
  8. Vector(J, M) → w
  9. Translate(A, v) → B
  10. Translate(A, Vector[w / 2]) → C
  11. Translate(C, v) → D
  12. Midpoint(C, B) → N
  13. Translate(N, u) → O
  14. Polygon(A, B, D, C) → P, a, b, d, c
  15. Polygon(O, C, D) → Q, d_1, o, c_1
  16. Polygon(O, A, C) → R, c_2, o_1, a_1
  17. Polygon(O, D, B) → S, b_1, o_2, d_2
  18. Polygon(O, A, B) → T, b_2, o_3, a_2
  19. Midpoint(B, D) → U
  20. Segment(O, N) → e
  21. Segment(O, U) → f
  22. Midpoint(O, U) → W
  23. Midpoint(O, N) → V
  24. Midpoint(A, B) → Y
  25. If(height ≤ 5, C) → Z
  26. Segment(Z, O) → i
  27. Segment(Z, A) → j
  28. If(VolumeFormula ≟ 1, A_1) → E_1
  29. If(SurfaceAreaFormula ≟ 1, C_1) → G_1
  30. If(VolumeSolution ≟ 1, B_1) → F_1
  31. If(SurfaceAreaSolution ≟ 1, D_1) → H_1