MathDB
Cut-paste square to cover circle

Source: Tournament of Towns 2016 Fall Tour, A Senior, Problem #5

April 22, 2017
combinatorial geometrygeometrycombinatorics

Problem Statement

Is it possible to cut a square of side 11 into two parts and rearrange them so that one can cover a circle having diameter greater than 11?
(Note: any circle with diameter greater than 11 suffices)
(A. Shapovalov)
(Translated from [url=http://sasja.shap.homedns.org/Turniry/TG/index.html]here.)