棱锥体积计算

GeoGebra 命令及参数

1. Polygon(A, B, C, D) → q1, a, b, c, d
2. Pyramid(q1, (-t)) → e, E, faceABE, faceBCE, faceCDE, faceADE, edgeAE, edgeBE, edgeCE, edgeDE
3. Segment(O, A) → f
4. Segment(O, B) → g
5. Segment(O, C) → h
6. Segment(O, D) → i
7. Point(f, t_1) → P
8. Point(g, t_1) → Q
9. Point(h, t_1) → R
10. Point(i, t_1) → S
11. Polygon(P, Q, R, S) → q2, p_1, q, r, s
12. Pyramid(q2, E) → j, faceEPQ, faceEQR, faceERS, faceEPS, edgeEP, edgeEQ, edgeER, edgeES
13. Segment(P, R) → k
14. Segment(Q, S) → m
15. Intersect(k, m) → F
16. Segment(F, E) → n
17. Distance(P, Q) → PQ
18. Distance(Q, R) → QR
19. Distance(F, O) → FO
20. Volume(e) → volumee
21. Point(e) → Pointe
22. Volume(j) → volumej
23. Point(j) → Pointj