旋转体体积 by Belinda Elliott

GeoGebra 命令及参数

1. Surface(t, (f(t) * cos(A)), (f(t) * sin(A)), t, 0, 4, A, 0, α) → a
2. Surface((g(t) * cos(A)), t, (g(t) * sin(A)), t, 0, 4, A, 0, α) → b
3. Surface((g(t) * cos(A)), t, (g(t) * sin(A)), t, s, s + 0.1, A, 0, α) → c
4. Surface((g(r) * cos(A)), s, (g(r) * sin(A)), r, 0, s, A, 0, α) → d
5. Intersect(f, e, 1) → A
6. Intersect(f, e, 2) → B
7. Segment(A, B) → i
8. Segment(A, B) → j
9. Distance(A, B) → AB
10. Segment(P, Q) → k
11. Surface((t * cos(T)), s, (t * sin(T)), t, x(A), x(B), T, 0, 360°) → l
12. Surface((h(t) * cos(A)), t, (h(t) * sin(A)), t, 0, 4, A, 0, α) → m
13. Surface((g(t) * cos(A)), t, (g(t) * sin(A)), t, 0, 4, A, 0, α) → n