Envelop the cube in one layer with five convex pentagons of equal areas.
Problem
Source: Sharygin 2005 X-XI CR 23
Tags: geometry, geometric transformation, 3D geometry, pentagon, equal
Source: Sharygin 2005 X-XI CR 23
Tags: geometry, geometric transformation, 3D geometry, pentagon, equal
Envelop the cube in one layer with five convex pentagons of equal areas.