圆柱与圆锥体积对比

GeoGebra 命令及参数

1. Point({r, 0, 0}) → B
2. Circle(zAxis, B) → c
3. Cylinder(c, h) → a, d, b
4. Area(c) → e
5. Point({0, t, 0}) → A
6. Point({0, 0, 0}) → O
7. Vector(O, A) → u
8. Translate(c, u) → d'
9. Cone(d', h) → f, g, i
10. Segment(O, B) → j
11. Circumference(d) → circumferenced
12. PointIn(d) → Pointd
13. Circumference(d') → circumferenced'
14. PointIn(d') → Pointd'
15. Volume(a) → volumea
16. PointIn(b) → Pointb
17. Volume(f) → volumef
18. PointIn(i) → Pointi
19. Translate(C, u) → C'