立方体内球体中心

GeoGebra 命令及参数

1. Point(Circle[(1, 0, 0), Distance[(0, 0, 0), (1, 0, 0)], Segment[(0, 0, 0), (1, 0, 0)]]) → A
2. Cube((0, 0, 0), (1, 0, 0), A) → a, B, faceABFE, faceCDEF, edge2, edge1, edge4, edgeAB, edge3, edgeBF, edgeCF, edgeCD, C, edge5, edgeDE, edgeAE, edgeEF, D, E, F, face1, face3, face2, face4
3. Circle(G, H, I) → c
4. Circle(H, I, J) → d
5. Center(c) → K
6. Center(d) → L
7. OrthogonalLine(K, Plane[G, H, I]) → f
8. OrthogonalLine(L, Plane[J, H, I]) → g
9. Intersect(f, g) → M
10. Sphere(M, G) → b