三角棱柱截面演示

GeoGebra 命令及参数

1. Segment(B, F) → BF
2. Segment(E, F) → EF
3. Intersect(EF, BF) → M
4. Intersect(zAxis, EF) → L
5. Segment(C, D) → CD
6. Segment(B, C) → BC
7. Segment(A, E) → AE
8. Segment(D, A) → DA
9. Segment(A, B) → AB
10. Segment(E, D) → ED
11. Segment(F, C) → FC
12. Point(list1) → I
13. Point(list1) → J
14. Point(list1) → K
15. Plane(I, J, K) → P
16. Intersect(ED, AE) → G
17. Intersect(DA, AE) → H
18. Intersect(ED, DA) → N
19. Intersect(EF, BF) → R
20. Prism(G, H, N, R) → BoundedPrism, O, edgeGN, edgeGR, edgeHO, edgeNQ, edgeOR, edgeOQ, edgeQR, Q, faceGHN, faceGHOR, faceHNQO, faceGNQR, faceOQR, edgeGH, edgeHN
21. IntersectPath(P, BoundedPrism) → BoundedPolygon_1, S, e, T, U, V, W, a, b, c, d