equal polygons with vertices of one interior or on border of other, coincide?
Source: 2012 Oral Moscow Geometry Olympiad grades 8-9 p2
September 8, 2019
congruentpolygoninteriorgeometry
Problem Statement
Two equal polygons and are given on the plane. It is known that the vertices of the polygon belong to (may lie inside it or on the border). Is it true that all the vertices of these polygons coincide?