MathDB
The smallest number of circles

Source: Baltic way 2005/13

November 8, 2005
geometryrectangleanalytic geometrygeometry proposed

Problem Statement

What the smallest number of circles of radius 2\sqrt{2} that are needed to cover a rectangle (a)(a) of size 6×36\times 3? (b)(b) of size 5×35\times 3?