MathDB
non-convex hexagon with each angle is either 90 or 270, cut into hexagons

Source: Sharygin 2006 finals 9.4

September 12, 2019
hexagoncutgeometryangles

Problem Statement

In a non-convex hexagon, each angle is either 9090 or 270270 degrees. Is it true that for some lengths of the sides it can be cut into two hexagons similar to it and unequal to each other?