Radius of tetrahedron's midsphere (related to the circumradius and the inradius)
Description
The midsphere or intersphere of a regular tetrahedron is a sphere which is tangent to every edge of the tetrahedron.
Related formulasVariables
| rm | Midsphere radius (m) |
| r | Inshere radius (m) |
| R | Circumsphere radius (m) |