旋转体构造：函数与立体的结合

GeoGebra 命令及参数

1. Textfield(f) → InputBox1
2. Textfield(g) → InputBox2
3. Textfield(b) → InputBox3
4. Textfield(c) → InputBox4
5. CurveCartesian(t, f(t), t, b, c) → a
6. Sequence(Segment[(a, k(a)), (a, f(a))], a, b, c, 0.1) → list3
7. Rotate(list3, α, g) → list3'
8. Rotate(a, α, g) → a'
9. CurveCartesian(w, k(w), w, b, c) → h
10. Textfield(k) → InputBox5
11. Rotate(h, α, g) → h'
12. Segment(A, B) → i
13. Rotate(A, β, g) → A'
14. Rotate(B, β, g) → B'
15. Segment(A', B') → i'