OFFSET
0,1
COMMENTS
Equivalently, the axes of the cylinders can be placed along the lines joining the vertices of a regular tetrahedron with the centers of the faces on the opposite sides.
This constant was first calculated by Moore (1974).
LINKS
Paul Bourke, Intersecting cylinders, 2003-2016.
Moreton Moore, Symmetrical Intersections of Right Circular Cylinders, The Mathematical Gazette, Vol. 58, No. 405 (1974), pp. 181-185.
Eric Weisstein's World of Mathematics, Steinmetz Solid.
Wikipedia, Steinmetz solid.
FORMULA
Equals (3/2) * sqrt(2) * (2 - sqrt(3)).
EXAMPLE
0.56840607294451799910914006057025714776009440514583...
MATHEMATICA
RealDigits[(3/2) * Sqrt[2] * (2 - Sqrt[3]), 10, 100][[1]]
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Amiram Eldar, Nov 22 2021
STATUS
approved