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2D Sphere/Cylinder

2D Sphere/Cylinder
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2016-10-20 22:56
CircleSolid GeometryGeometric Construction
This example demonstrates the construction of 2D spheres and cylinders. Key mathematical concepts include the properties of circles and spheres. Using GeoGebra commands such as Intersect, Point, Segment, Circle, and Line, these geometric shapes can be constructed. Suitable for students at the junior high school level and above for geometric construction.

GeoGebra Commands & Parameters

  1. Intersect(xAxis, yAxis) → K
  2. Point(Circle[K, 5]) → B_1
  3. Segment(K, B_1) → f
  4. Point(Circle[K, 5]) → C
  5. Segment(K, C) → g
  6. Circle(K, 5) → c
  7. Point(Circle[B_1, 5]) → D
  8. Segment(B_1, D) → h
  9. Line(C, f) → i
  10. Point(c) → P
  11. Line(K, P) → j
  12. Line(P, f) → k
  13. Point(h) → F
  14. Line(F, f) → l
  15. Point(l) → A
  16. Point(k) → B
  17. Segment(P, A) → n
  18. Intersect(g, yAxis) → I
  19. Intersect(k, g) → Q
  20. Intersect(g, yAxis) → K_1
  21. Intersect(l, g) → L
  22. OrthogonalLine(B, k) → m