TOT 1998 Spring OS1 similar triangle to create a rectangle
Source:
May 11, 2020
geometrysimilar trianglesTilingcombinatoricscombinatorial geometryrectangle
Problem Statement
Pinocchio claims that he can take some non-right-angled triangles , all of which are similar to one another and some of which may be congruent to one another, and put them together to form a rectangle. Is Pinocchio lying? (A Fedotov)