立方体几何构造与性质演示

GeoGebra 命令及参数

1. Point(Circle[C, Distance[A, C], Segment[A, C]]) → E
2. Cube(A, C, E) → a, F, faceEFJI, faceGHIJ, edgeAF, edgeAC, edgeCE, edgeEF, edgeAG, edgeFJ, edgeGJ, edgeGH, G, edgeCH, edgeHI, edgeEI, edgeIJ, H, I, J, faceACEF, faceAFJG, faceACHG, faceCEIH
3. Rotate(faceAFJG, α, xAxis) → faceAFJG'
4. Line(B, yAxis) → b
5. Line(C, xAxis) → c
6. Line(E, c) → d
7. Rotate(faceCEIH, (-α), c) → faceCEIH'
8. Rotate(faceEFJI, (-α), d) → faceEFJI'
9. Rotate(faceGHIJ, α, b) → faceGHIJ'
10. Rotate(faceACEF, (-α), yAxis) → faceACEF'