Begin with a unit cube and inscribe a sphere in it. Then inscribe 8 small spheres in the empty corners so that each of them is tangent to the sides of the cube and also tangent to the large central sphere. Find the volume of the region enclosed by the cube but outside the 9 spheres.

(In reply to re: soln by hoodat)

Thanks! I see you're a site-veteran of 17 years - wow!

Posted by Steven Lord on 2025-01-25 19:08:38