ABCDE is a regular pentagon. Determine the smallest value of the expression

(|PA|+|PB|)/(|PC|+|PD|+|PE|)

where P is an arbitrary point lying in the plane of the pentagon ABCDE.

(In reply to solution by Charlie)

Another way of stating this exact value is √5 - 2

Posted by Jer on 2015-03-16 16:19:38