cutting out a convex polygonm folding it several times, can it be an 7-gon?
Source: 2015 Sharygin Geometry Olympiad Correspondence Round P1
August 2, 2018
geometrypaperconvex polygon
Problem Statement
Tanya cut out a convex polygon from the paper, fold it several times and obtained a two-layers quadrilateral. Can the cutted polygon be a heptagon?