In-Radius
For a regular polyhedron, the in-radius is the distance from the centre of each face to the centre of the solid. The in-radius is the radius of the largest sphere that will fit inside the polyhedron.
See Also: Inter-Radius; Circum-Radius;
For a regular polyhedron, the in-radius is the distance from the centre of each face to the centre of the solid. The in-radius is the radius of the largest sphere that will fit inside the polyhedron.
See Also: Inter-Radius; Circum-Radius;