regular tetrahedron sentence in Hindi

Examples

1. One such regular tetrahedron has a volume of of that of the cube.
2. A regular tetrahedron is formed at each truncated vertex.
3. The regular tetrahedron is the simplest Platonic solid.
4. A regular tetrahedron is the densest configuration for the packing of four equal spheres.
5. My question is, why is this exactly the dihedral angle of a regular tetrahedron?
6. The zincblende structure has regular tetrahedron.
7. The four basis vectors stem from the center of a regular tetrahedron and go to its four corners.
8. Although a regular tetrahedron can not tessellate space alone, this dual has identical disphenoid tetrahedron cells with isosceles triangle faces.
9. Since each vertex of a tesseract is adjacent to four edges, the vertex figure of the tesseract is a regular tetrahedron.
10. Rubredoxin active site contains an iron ion which is coordinated by the sulfurs of four conserved cysteine residues forming an almost regular tetrahedron.