GeoGebra三维几何变换练习题42

GeoGebra 命令及参数

1. Polygon(A, B, D, C) → q1, a, b, d, c
2. PointIn(Sphere[C, 2.25]) → G
3. Segment(C, G) → g
4. Rotate(G, 135°, c) → G'
5. Prism(C, D, B, A, G') → e, E, edgeCD_{1}, edgeBD_{1}, edgeAB_{1}, edgeAC_{1}, edgeCG', edgeDE, edgeBF, edgeAH, edgeEG', edgeEF, F, edgeFH, edgeG'H, H, faceABDC_{1}, faceCDEG', faceBDEF, faceABFH, faceACG'H, faceEFHG'
6. Segment(A, B) → f
7. Segment(B, D) → h
8. Segment(E, D) → i
9. Segment(F, B) → j
10. Segment(H, A) → k
11. Segment(H, F) → l
12. Segment(F, E) → m
13. Segment(E, G') → n
14. Segment(H, G') → p
15. Vector(C, A) → u
16. Vector(C, G') → v
17. Vector(C, D) → w
18. Point(i) → I
19. Prism(D, B, A, C, I) → o, J, edgeBD, edgeAB, edgeAC, edgeCD, edgeDI, edgeBJ, edgeAK, edgeCL, edgeIJ, edgeJK, K, edgeKL, edgeIL, L, faceABDC, faceBDIJ, faceABJK, faceACLK, faceCDIL, faceIJKL
20. Vector(C, M) → q
21. Angle(G', C, M) → α
22. Midpoint(C, A) → N
23. Midpoint(C, G') → O
24. Midpoint(C, D) → P