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Pyramid Construction Demo by a.schwing

Pyramid Construction Demo by a.schwing
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2017-04-08 23:26
PolygonSolid GeometryGeometric Construction
This example demonstrates the 3D geometric construction and visualization of a pyramid. It involves core math concepts like polygons, solid geometry, and spatial geometric relationships. Construction highlights include using GeoGebra commands/objects such as Point, Polygon, OrthogonalLine, Intersect, and Pyramid. Suitable for high school geometry teaching or construction learning.

GeoGebra Commands & Parameters

  1. Point(yAxis) → C
  2. Polygon(A, B, C) → poly1, c, a, b
  3. OrthogonalLine(C, c) → f
  4. OrthogonalLine(A, a) → g
  5. Intersect(f, g) → D
  6. OrthogonalLine(D, xOyPlane) → h
  7. Point(h) → E
  8. Pyramid(poly1, E) → d, faceABE, faceBCE, faceACE, edgeAE, edgeBE, edgeCE
  9. Polygon(F, G, H) → poly2, h_1, f_1, g_1
  10. OrthogonalLine(G, xOyPlane) → i
  11. Point(i) → I
  12. Pyramid(poly2, I) → e, faceFGI, faceGHI, faceFHI, edgeFI, edgeGI, edgeHI