圆柱外的四面体体积

GeoGebra 命令及参数

1. Pyramid(D, C, B, A) → b, faceBCD, edgeAB, faceACD, faceABC, faceABD, edgeCD, edgeBC, edgeBD, edgeAD, edgeAC
2. IntersectPath(xOyPlane, a) → c
3. Point(yAxis) → E
4. OrthogonalLine(E, xOyPlane) → f
5. Line(E, xAxis) → g
6. Point(g) → F
7. Point(f) → G
8. Plane(G, E, F) → d
9. IntersectPath(d, b) → poly1, H, I, J, K, h, i, j, k
10. Intersect(j, a) → L, M
11. Intersect(f, j) → N
12. IntersectPath(d, a) → p
13. Intersect(h, p) → O, P
14. Intersect(edgeAC, a) → Q,
15. Intersect(yAxis, zAxis) → R
16. Plane(Q, C, R) → l
17. IntersectPath(l, b) → 多角形1, S, T, U, m, n, q
18. Intersect(m, h) → V
19. Polygon(M, K, V, P) → q1, m_1, k_1, v, p_1